Marcus Bell Filling up a 2TB drive faster than you expected? A 4TB SSD gives you enough room for a full game library, years of raw photos, or a stack of 4K video projects without constant file juggling. If you’re comparing the best 4TB SSDs right now, the tricky part isn’t finding storage — it’s matching the right interface, speed, and price to how you actually use your computer.
Quick answer: If you want the best 4TB SSDs without digging through spec sheets, our top pick for 2026 is the Samsung 990 PRO — the #1 rated choice in this roundup thanks to its strong read speeds, wide compatibility, and long track record with buyers. See the full ranked comparison, alternatives, and buying advice below.
Samsung 870 EVO 4TB 2.5 Inch SATA III Internal SSD
Pros
- 4 TB in a standard 2.5 in SATA body, so it drops into a laptop drive bay or a desktop cage
- Sequential speeds of 560 MB/s read and 530 MB/s write saturate the SATA III interface
- Endurance quoted at 2,400 TBW, double the 1,200 TBW of the 2 TB model
- Hardware encryption covers AES 256 with TCG/Opal v2.0 and IEEE1667 eDrive for BitLocker offload
- Five-year limited warranty, or the TBW ceiling, whichever arrives first
Cons
- SATA III caps sequential transfers near 560 MB/s, several times slower than an NVMe M.2 drive in the same machine
- Needs a 2.5 in bay plus SATA data and power cables, so ultrabooks with only M.2 slots cannot take it
- Ships as a bare drive with no bracket, screws or cables, and 3.5 in desktop bays need an adapter tray
This is a 4 TB drive in the standard 2.5 in SATA form factor. Sequential figures sit at 560 MB/s read and 530 MB/s write, which is the practical ceiling of the SATA III interface rather than a limit of the flash itself.
- Endurance is quoted at 2,400 TBW, against 1,200 TBW for the 2 TB model and 600 TBW for the 1 TB version
- Warranty runs five years or that TBW figure, whichever arrives first
- A variable-size write buffer holds high write speed across longer transfers than a fixed cache manages
- Shock tolerance is specified at 1,500 G over 0.5 ms, half-sine
- Encryption covers AES 256, TCG/Opal v2.0 and IEEE1667 eDrive
For a working drive holding video scratch files, 2,400 TBW is a large ceiling: writing 100 GB every single day still takes decades to reach it.
Before ordering, confirm the machine has somewhere to put a 2.5 in drive. Desktops need a free SATA data port, a spare SATA power lead from the supply and a bay or bracket. Laptops need a dedicated 2.5 in bay, which many slim models no longer include.
- Compatibility testing is listed across chipsets, motherboards, NAS enclosures and video recording hardware
- Synology and QNAP units are covered, so the drive suits an all-flash array as well as a PC
- It works as a boot volume or secondary storage, and it will run from a USB-to-SATA enclosure as an external drive
- Nothing beyond the bare drive is in the box, so brackets, screws and cables come separately
A 3.5 in desktop bay needs an adapter tray, a common part but one to add to the same order rather than discover mid-build.
The obvious question with any SATA SSD now is why not go NVMe. The answer comes down to capacity per slot and machine age.
- An NVMe M.2 drive on PCIe 3.0 or 4.0 moves several times more data per second sequentially, but only if the board has a free M.2 slot wired for it
- Random access on everyday tasks, where files are small and scattered, sits far closer between the two than the headline figures suggest
- Older desktops and pre-2018 laptops often carry SATA ports and no M.2 at all, which makes this the only internal route to 4 TB
- Single-slot 4 TB NVMe options exist but remain thin on the ground next to 2.5 in SATA
On a desktop that already boots from NVMe, this makes sense as bulk second storage for archives, game libraries and footage rather than as a replacement system drive.
Pros
- Start your system in seconds Load files almost instantly, and
- our dynamic write acceleration technology uses an adaptable pool of
- Store up to 4TB of data Save massive amounts of photos, music, and
- Upgrade with reliability Our heritage of award-winning SSDs are backed
- Install with confidence Includes free Acronis True Image HD software
Cons
- Requires checking placement surface dimensions before setup
- Requires routine care to keep exterior housing dust-free
- Initial setup requires checking operating instructions carefully
The Crucial BX500 SATA SSD 4TB 2.5 Up to 540MB s Laptop and offers reliable functional utility tailored for modern home and workplace environments. Designed to enhance daily productivity, this unit integrates Start your system in seconds Load files almost instantly, and alongside our dynamic write acceleration technology uses an adaptable pool of. Users will find the intuitive design straightforward to operate across various room configurations and daily routines. The versatile construction adapts easily to personal workspaces, providing consistent practical value and streamlined usability. Following standard setup recommendations and maintaining clean surfaces ensures consistent operational utility across daily activities.
Built using resilient structural components, this unit features a sturdy outer housing engineered to resist operational wear. Precision manufacturing ensures that all joints and surface connections remain firmly aligned during regular daily activity. Store up to 4TB of data Save massive amounts of photos, music, and reinforces overall physical stability over extended service periods. Structural integrity remains firm throughout regular usage, giving owners peace of mind. Following standard setup recommendations and maintaining clean surfaces ensures consistent operational utility across daily activities. This functional equipment provides steady performance and practical convenience when properly integrated into your workspace.
Initial setup requires placing the unit on a flat, stable surface with adequate clearance around all sides for proper operation. Ensure all power or connection cables are routed neatly without sharp bends to prevent wire strain. Regular care involves wiping exterior housing surfaces with a soft cloth to remove dust buildup. Inspecting mechanical connections periodically preserves operational efficiency and maintains cosmetic appearance over time. Following standard setup recommendations and maintaining clean surfaces ensures consistent operational utility across daily activities. This functional equipment provides steady performance and practical convenience when properly integrated into your workspace.
Pros
- 4TB in a 2.5 inch SATA shell that fits laptop drive bays and desktop cages alike
- Sequential reads to 560 MB/s and writes to 530 MB/s, the practical ceiling of the SATA III interface
- Endurance warranted at 1,440 TBW on the 4TB capacity, double the 720 TBW of the 2TB unit
- Intelligent TurboWrite scales the fast write buffer dynamically instead of fixing it at one size
- 3-year limited warranty plus Magician 6.1 software for firmware, health checks and cloning
Cons
- QLC NAND means sustained write speed falls away sharply once the TurboWrite buffer fills
- SATA III caps throughput near 560 MB/s, well below any NVMe M.2 drive of the same capacity
- Warranty ends at 3 years or 1,440 TBW, whichever arrives first
Sequential figures are 560 MB/s read and 530 MB/s write, which is the SATA III interface running out of headroom rather than the NAND. Random access and sustained write behaviour both improved over the previous generation, and Intelligent TurboWrite widens the fast write buffer dynamically instead of fixing it at a single size.
Endurance on the 4TB model is 1,440 TBW, double the 720 TBW of the 2TB unit. In practice that works out to roughly 1.3 TB written every day for three years before the figure is reached, far beyond any normal desktop workload. The 3-year limited warranty ends at three years or at the TBW total, whichever comes first.
Magician 6.1 handles firmware updates, health monitoring, over-provisioning and secure erase from Windows.
The drive uses the standard 2.5 inch SATA form factor, which is the most broadly compatible shape in storage. It fits laptop bays that still take 2.5 inch disks, desktop cages with or without a 3.5 inch adapter bracket, and external USB-to-SATA enclosures.
You need two things from the host: a spare SATA data port and a SATA power lead. Laptops with a single M.2 slot and no 2.5 inch bay cannot take it at all, so check the chassis before ordering. Older machines limited to SATA II will run the drive without complaint but cap throughput near 300 MB/s.
Migration is handled by the bundled software, which clones an existing system disk across without a clean install. Mount the new drive as a secondary device, clone, then swap the boot order.
QLC NAND stores four bits per cell, which is how 4TB arrives inside a 2.5 inch shell. The trade shows up on sustained writes: once the TurboWrite buffer fills, write speed drops sharply until it recovers. Copying 20 GB is unaffected. Copying 500 GB in one pass is where you will notice.
That makes this a good match for read-heavy bulk storage: game libraries, photo and video archives, project files, virtual machine images you launch rather than rebuild. It is a poor match for a scratch disk under continuous video capture or heavy database writes, where TLC or NVMe drives hold speed far better.
As a system disk in an older laptop it still transforms boot and load times against a mechanical hard disk, because even the QLC floor sits well above what a spinning platter can deliver.
Pros
- MEET THE NEXT GEN Consider this a cheat code
- Our Samsung 990 PRO Gen4 SSD helps you reach near max performance with
- Whether you re a hardcore gamer or a tech guru, you ll get power
- REACH THE NEXT LEVEL Gen4 steps up with faster transfer speeds and
- With a more than 55% improvement in random performance compared to 980
Cons
- Requires checking placement surface dimensions before setup
- Requires routine care to keep exterior housing dust-free
- Initial setup requires checking operating instructions carefully
The Samsung SSD 990 PRO 4TB PCIe 4.0 M.2 2280 Up to 7 450 MB offers reliable functional utility tailored for modern home and workplace environments. Designed to enhance daily productivity, this unit integrates MEET THE NEXT GEN Consider this a cheat code alongside Our Samsung 990 PRO Gen4 SSD helps you reach near max performance with. Users will find the intuitive design straightforward to operate across various room configurations and daily routines. The versatile construction adapts easily to personal workspaces, providing consistent practical value and streamlined usability. Following standard setup recommendations and maintaining clean surfaces ensures consistent operational utility across daily activities.
Built using resilient structural components, this unit features a sturdy outer housing engineered to resist operational wear. Precision manufacturing ensures that all joints and surface connections remain firmly aligned during regular daily activity. Whether you re a hardcore gamer or a tech guru, you ll get power reinforces overall physical stability over extended service periods. Structural integrity remains firm throughout regular usage, giving owners peace of mind. Following standard setup recommendations and maintaining clean surfaces ensures consistent operational utility across daily activities. This functional equipment provides steady performance and practical convenience when properly integrated into your workspace.
Initial setup requires placing the unit on a flat, stable surface with adequate clearance around all sides for proper operation. Ensure all power or connection cables are routed neatly without sharp bends to prevent wire strain. Regular care involves wiping exterior housing surfaces with a soft cloth to remove dust buildup. Inspecting mechanical connections periodically preserves operational efficiency and maintains cosmetic appearance over time. Following standard setup recommendations and maintaining clean surfaces ensures consistent operational utility across daily activities. This functional equipment provides steady performance and practical convenience when properly integrated into your workspace.
Pros
- Sequential read speeds up to 7,100 MB/s and write speeds up to 6,000 MB/s on PCIe Gen4 NVMe
- 4TB of capacity in the compact M.2 2280 form factor, enough for large game libraries alongside apps and media
- Backward compatible with PCIe Gen3 laptops and desktops, so it still works, at reduced speed, in older systems
- Confirmed compatibility with handheld gaming consoles including ROG Ally X, Lenovo Legion Go, and AYANEO Kun
- Includes an Acronis True Image software offer for cloning or backing up data during the upgrade
Cons
- Full 7,100 MB/s read speed is only reached on a PCIe Gen4 slot; Gen3 systems cap throughput well below that figure
- No listed heatsink on this SKU, so sustained heavy workloads in a tight enclosure may benefit from adding one separately
- 4TB capacity draws more power under sustained load than smaller-capacity SSDs, worth noting for battery-powered handhelds
The P310 is a PCIe Gen4 NVMe SSD in the M.2 2280 form factor, rated for sequential read speeds up to 7,100 MB/s and write speeds up to 6,000 MB/s. This particular listing is the 4TB capacity point, giving substantial room for AAA game installs, applications, and media without needing to manage storage as tightly as smaller drives require.
- PCIe Gen4 NVMe, M.2 2280 form factor
- Up to 7,100 MB/s sequential read
- Up to 6,000 MB/s sequential write
- 4TB storage capacity
Built with Micron's G8 NAND and engineered thermal control, Crucial positions this drive for both everyday responsiveness, like faster Windows boot and application launches, and heavier tasks like large game installs.
The P310 is built for both desktop and laptop installs and is also confirmed compatible with several handheld gaming consoles, including the ROG Ally X, Lenovo Legion Go, and AYANEO Kun. It is backward compatible with PCIe Gen3 systems as well, so it can be installed as an upgrade in older motherboards, though throughput will be limited to what that Gen3 slot supports.
- Compatible with desktop and laptop M.2 slots
- Confirmed handheld support: ROG Ally X, Legion Go, AYANEO Kun
- Backward compatible with PCIe Gen3 systems
- M.2 2280 standard size for broad slot compatibility
That Gen3 backward compatibility means the same drive can be reused in a future system upgrade, rather than being tied permanently to only the fastest current-generation hardware.
For anyone upgrading from a smaller or older drive, this SSD includes an offer for Acronis True Image software, aimed at cloning, backing up, or transferring existing data onto the new drive as part of the install process rather than starting from a clean operating system installation.
- Acronis True Image software offer included
- Suited as a primary drive or as a secondary drive alongside an existing SSD
- Manufacturer states up to 2x faster than Crucial's previous Gen3 generation
- Backed by Micron, one of the larger flash storage manufacturers
Because it can also be used as a second drive, it works for pairing with a smaller boot SSD to offload games, media, and files onto the higher-capacity P310 without replacing the primary drive.
Pros
- Sequential read/write speeds reach up to 7,250/6,300 MB/s, ahead of typical PCIe 4.0-only drives capped near 5,000 MB/s
- 4TB capacity holds large game libraries or media projects without splitting across two drives
- Nickel-coated controller is designed to cut power draw while sustaining performance, per the manufacturer's efficiency claims
- Compatible with both PCIe 4.0 x4 and PCIe 5.0 x2 interfaces, so it fits current and newer motherboards
- Companion software keeps firmware current and monitors drive health from one dashboard
Cons
- Peak 7,250 MB/s speeds only show up on a PCIe 5.0 x2 or 4.0 x4 capable motherboard; older PCIe 3.0 boards will bottleneck it well below rated speed
- M.2 2280 form factor requires a motherboard slot with a heatsink or airflow for sustained high-write workloads to avoid thermal throttling
- No listed heatsink is included in this specific package, unlike some competing drives sold with one pre-attached
The 990 EVO Plus reaches sequential speeds of up to 7,250 MB/s read and 6,300 MB/s write, available in a 4TB capacity.
- Built in the M.2 2280 form factor with the latest NAND memory.
- Intelligent TurboWrite 2.0 boosts large-file write performance, especially useful at the 4TB tier.
- HMB technology uses system RAM to assist performance without an onboard DRAM cache chip.
- Companion software keeps firmware updated and monitors drive health from a single dashboard.
- The combination of high sequential speeds and large capacity suits video editing and large asset libraries as well as everyday computing.
The drive supports both PCIe 4.0 x4 and PCIe 5.0 x2 interfaces, so it fits current and newer motherboard generations.
- Peak 7,250 MB/s speeds only appear on a board capable of PCIe 4.0 x4 or 5.0 x2; older PCIe 3.0 boards will bottleneck it well below rated speed.
- The M.2 2280 size is the standard slot length on most consumer desktop and laptop motherboards.
- Works across both large file-transfer workloads and everyday OS/application use.
- No heatsink ships in this specific package, unlike some competing drives sold pre-attached with one.
A nickel-coated controller is built to cut power draw while sustaining performance, which the brand states increases MB/s per watt by 73% over a prior design.
- Lower controller power draw helps limit heat buildup during extended read/write sessions.
- Sustained high-write workloads still benefit from a motherboard slot with a heatsink or airflow to avoid thermal throttling.
- Efficiency gains are aimed at laptops and small-form-factor builds where thermal headroom is limited.
- Firmware updates through the companion software can include thermal and performance tuning over time.
Pros
- Up to 5,500 MB/s read speeds on the 4TB model, powered by PCIe Gen 4.0 and next-generation nCache technology
- Rated for up to 1,200 TBW of endurance on the 4TB model, supporting sustained heavy write workloads
- M.2 2280 form factor fits standard NVMe slots on current motherboards without an adapter
- Companion dashboard software monitors drive health and available space from a desktop app
- Free downloadable migration software handles data transfer from an old drive to the new SSD
Cons
- Full 5,500 MB/s speeds require a PCIe Gen 4.0-capable motherboard slot; older Gen 3 boards will run slower
- M.2 2280 form factor only fits motherboards and laptops with a compatible NVMe slot, ruling out SATA-only systems
- 1,200 TBW endurance applies to the 4TB model specifically, so smaller-capacity versions in the same line carry lower TBW endurance
This SSD is a PCIe Gen 4.0 NVMe drive in the M.2 2280 form factor, reaching up to 5,500 MB/s read speeds on the 4TB model. A next-generation nCache technology layer manages the drive's caching to sustain performance during large, continuous file transfers.
- Capacity: up to 4TB
- Interface: PCIe Gen 4.0, M.2 2280
- Max read speed: 5,500 MB/s (4TB model)
- Endurance: up to 1,200 TBW (4TB model)
Endurance and top speed both scale with capacity, so smaller versions in this line carry lower TBW figures than the 4TB model.
Because it uses the M.2 2280 form factor over a PCIe Gen 4.0 interface, this drive fits directly into most current desktop motherboards and many laptops with an open NVMe slot, without needing an adapter card. It is backward compatible with PCIe Gen 3 slots, though top speed drops to match Gen 3 bandwidth limits.
- M.2 2280 slot required
- PCIe Gen 4.0 native, backward compatible with Gen 3
- Not compatible with SATA-only M.2 slots
Checking your motherboard or laptop's M.2 slot specification before buying confirms both physical fit and whether you'll see full Gen 4 speeds or the reduced Gen 3 ceiling.
For builders replacing an older SATA SSD or hard drive, this drive offers a straightforward upgrade path: free migration software handles cloning data from the old drive, and companion dashboard software monitors the new drive's health and remaining space afterward.
- Free downloadable migration software
- Dashboard app for ongoing health monitoring
- Available in multiple capacities up to 4TB
Because performance and endurance scale together with capacity in this line, buyers planning to grow into heavier workloads later may want to size up capacity now rather than upgrading again sooner.
Pros
- 4TB capacity in a 2.5-inch, 7mm form factor fits standard NAS drive bays without an adapter
- Rated for 24/7 operation, built specifically for always-on NAS environments
- SATA III interface delivers up to 560 MB/s, faster than mechanical NAS hard drives of similar capacity
- 3D NAND flash is purpose-built for the sustained read/write loads NAS systems generate
- Optimized caching accelerates access to frequently used files across the network
Cons
- SATA III interface caps throughput well below what NVMe-based NAS drives can reach
- 2.5-inch, 7mm form factor requires a NAS bay that supports SSDs rather than only 3.5-inch mechanical drives
- No listed warranty length in the product specs, so buyers should confirm coverage before relying on it for critical storage
This drive provides 4TB of storage in a compact 2.5-inch, 7mm form factor, connecting over SATA III for speeds up to 560 MB/s. It uses 3D NAND flash purpose-built by Western Digital for NAS-specific caching and file access patterns.
- SATA III 6 Gb/s interface for broad NAS compatibility
- 4TB capacity suits caching and frequently accessed files rather than only cold storage
- Also available in M.2 form factor for NAS systems with that slot type
Its caching-optimized design targets rapid access to the files a NAS system pulls most often, rather than simply maximizing raw sequential throughput.
Unlike standard consumer SSDs, this drive is specifically tested and rated for continuous 24/7 operation, the always-on demand profile of a home or business NAS system running around the clock.
- Superior endurance spec handles heavy, sustained read and write loads
- Reduces latency for OLTP databases, multi-user access, and 4K/8K video editing workloads
- Reliability tested specifically for NAS duty cycles, not just general desktop use
That endurance spec matters most in multi-user environments where several people or devices are reading and writing to the NAS simultaneously throughout the day.
This drive fits NAS systems supporting 2.5-inch SATA SSD bays, and Western Digital offers the WD Red SA500 line across capacities from 500GB up to 4TB, giving a clear upgrade path within the same product family.
- Good fit for home NAS caching, small business file servers, and media libraries
- Suited to multi-user environments needing consistent responsiveness
- Also available in M.2 form factor for NAS systems with that slot instead of 2.5-inch bays
Anyone building a NAS around the fastest possible transfer speeds should compare against NVMe-based NAS SSDs, since this SATA III drive is optimized for reliability and caching rather than peak sequential throughput.
Pros
- PCIe Gen 5.0x4 interface delivers sequential read speeds up to 14,900MB/s and write speeds up to 11,000MB/s on this 4TB model
- Rated for over 2,300,000 IOPS of random performance, well above typical PCIe Gen 4 drives
- Endurance runs up to 4,800 TBW on the largest 8TB capacity, giving the lineup strong write-durability headroom
- Average operating power around 7.5W or less, over 100% more power-efficient than the brand's prior PCIe Gen 4 drive
Cons
- Full read/write speeds require a PCIe Gen 5 motherboard slot; older Gen 3 or Gen 4 systems will not reach the rated numbers
- SanDisk Dashboard monitoring software is Windows-only, leaving Mac and Linux users without the official management tool
- M.2 2280 form factor runs hot enough under sustained load that a compatible heatsink or motherboard cooling shroud is worth planning for
Built on a PCIe Gen 5.0x4 interface in the M.2 2280 form factor, this drive reaches sequential read speeds up to 14,900MB/s and write speeds up to 11,000MB/s, with random performance rated over 2,300,000 IOPS on 2TB to 4TB capacities. TLC 3D CBA NAND underpins both speed and endurance.
- Endurance up to 4,800 TBW on the 8TB capacity option
- Average operating power around 7.5W or under
- Capacities available up to 8TB for large game libraries or content projects
These numbers represent best-case throughput achievable specifically on a PCIe Gen 5 platform rather than a guaranteed result across every system configuration.
The drive fits any motherboard with an M.2 2280 slot supporting NVMe, but the full PCIe Gen 5.0x4 speed only shows up on a Gen 5-capable slot; installed in a Gen 3 or Gen 4 slot, it still works but tops out at that slot's bandwidth ceiling instead. SanDisk Dashboard software for monitoring drive health is Windows-only.
- Backward compatible with PCIe Gen 3 and Gen 4 motherboards, at reduced speed
- Acronis True Image software assists with migrating an existing OS drive over
- No included heatsink, so thermal management depends on the motherboard or a separate cooler
Checking your motherboard's M.2 slot generation before buying is the main step for knowing which speed tier you will actually see.
Capacities scale from smaller options up to 8TB, giving room to grow from a single game library into AI model storage or professional video editing workloads without moving to a second drive. The Gen 5 interface also leaves headroom for future GPUs and CPUs that lean more heavily on fast storage.
- Suited to AI application development, high-resolution video editing and large game libraries
- Higher capacities reduce the need for a secondary storage drive down the line
- Gen 5 speed advantage is most noticeable when paired with a Gen 5-capable CPU and motherboard combination
Builders currently on Gen 4 hardware still gain a capable drive today, with full performance unlocked whenever the rest of the system moves to Gen 5.
Pros
- Sequential read speeds up to 7450 MB/s and write speeds up to 6500 MB/s over PCIe Gen4x4
- Random read/write performance up to 1000K IOPS for faster small-file access
- 0.5mm graphite aluminum heat sink helps sustain speeds during extended workloads
- 4TB capacity in a single M.2 2280 slot, useful for large game libraries or 4K video projects
- PMIC power management chip regulates power delivery to support long-term durability
Cons
- No listed dimensions or weight beyond the standard M.2 2280 form factor
- Rated working temperature tops out at 70°C, so airflow matters in cramped laptop chassis
- Full 7450 MB/s speeds require a PCIe Gen4 x4 slot; older Gen3 boards will bottleneck performance
The NV7400 reaches 7450 MB/s sequential read and 6500 MB/s sequential write speeds, with random read/write performance up to 1000K IOPS. It pairs 3D TLC NAND with a PCIe Gen4x4 controller and Host Memory Buffer support to keep throughput steady across sustained workloads like large file transfers or game load times.
- Up to 7450 MB/s sequential read speed
- Up to 6500 MB/s sequential write speed
- Up to 1000K IOPS random read performance
A 0.5mm graphite aluminum heat sink and PMIC power management chip work together to manage thermals and power delivery, aimed at keeping speeds consistent rather than throttling under longer sustained transfers.
The drive uses the M.2 2280 form factor over a PCIe Gen4x4 interface, fitting the M.2 slots on current desktop motherboards, most Gen4-capable laptops, and the PS5's expansion slot. It is backward compatible with PCIe Gen3 x4 slots, though sequential speeds drop to that generation's ceiling.
- M.2 2280 form factor, PCIe Gen4x4 interface
- Backward compatible with PCIe Gen3 x4 slots
- Fits desktop, laptop, and PS5 M.2 expansion slots
Systems without a heat sink built into the motherboard's M.2 shroud may want to rely on the drive's own graphite heat sink, since sustained transfers in an unshielded slot can push temperatures toward the rated ceiling faster.
At 4TB, the NV7400 suits users consolidating a game library, video editing scratch disk, or large asset collection onto a single drive rather than running multiple smaller SSDs. The free companion software adds drive health monitoring, data migration, and cloning tools for moving from an older SSD.
- 4TB capacity on a single M.2 drive
- Companion software for migration and health monitoring
- Drive cloning tools included for upgrading from a smaller SSD
Buyers currently on a 1TB or 2TB drive can use the cloning feature to move an existing OS and program install directly onto the 4TB drive, avoiding a fresh operating-system setup.
What to Check Before You Buy a 4TB SSD
At 4TB, small differences in specs turn into real differences in how your PC feels day to day. Before you compare individual drives, get clear on four things that matter more than the brand name on the box.
- Interface: NVMe (M.2) drives plug straight into your motherboard and are much faster than 2.5-inch SATA drives, which top out around 560 MB/s.
- PCIe generation: Gen 3 boards cap NVMe speed near 3,500 MB/s, Gen 4 pushes past 7,000 MB/s, and newer Gen 5 drives go even higher — check your motherboard before paying for speed you can’t use.
- Endurance (TBW): Terabytes Written tells you how much data you can write before the drive is expected to wear out; heavier editing and gaming workloads should lean toward a higher TBW rating.
- Form factor and fit: Confirm your case or laptop has room for a 2.5-inch drive, or an open M.2 2280 slot with enough clearance for a heatsink if you’re going NVMe.
Best 4TB SSDs by Use Case
Instead of ranking drives purely on paper speed, it helps to match a drive to what you’ll actually do with it. Here’s how the standout options in this lineup stack up for different buyers.
Best for Gaming: Samsung 990 PRO
The Samsung 990 PRO is a PCIe 4.0 NVMe drive rated for up to 7,450 MB/s, which cuts load times noticeably in large open-world titles. It carries a 4.8-star average across more than 13,000 reviews, which is a strong signal of consistent reliability at scale. If your build already supports Gen 4 speeds and you play at high settings, this is the drive to check first. For a deeper dive into gaming-specific picks, see our guide to the best SSDs for gaming.
Best Value: Crucial BX500
Not everyone needs NVMe speeds, and the Crucial BX500 proves it. This SATA drive tops out around 540 MB/s, but it’s roughly a third of the price of most NVMe options here and still holds a 4.8-star rating from over 36,000 buyers. It’s a smart pick for bulk storage, game libraries you don’t need to load instantly, or as a secondary drive alongside a faster boot disk.
Best for Video Editing: WD_Black SN8100
Large 4K and 8K projects punish slow drives, which is where the WD_Black SN8100 stands out. Built on PCIe 5.0, it’s rated up to 14,900 MB/s read and 11,000 MB/s write, so scrubbing through raw footage and exporting long timelines both feel noticeably snappier. You’ll need a Gen 5-capable motherboard to unlock its full speed, so double-check compatibility before you buy.
Best for NAS and Backup: WD Red SA500
Storage that runs around the clock needs different engineering than a gaming drive, and the WD Red SA500 is purpose-built for network storage and continuous read/write cycles. It’s a SATA drive, so it won’t win any speed contests, but it’s validated for NAS enclosures where always-on reliability matters more than raw throughput. Pair it with a proper backup routine rather than treating it as your only copy of important files.
Best for Laptops: Samsung 870 EVO
Many laptops and older desktops only support 2.5-inch SATA drives, and the Samsung 870 EVO is a dependable option in that format. It holds a 4.8-star rating across more than 45,000 reviews, making it one of the most proven drives in this list. If you’re upgrading an aging laptop that’s stuck on a spinning hard drive, this swap alone can make the whole machine feel new again.
Best for Multitasking: Samsung 990 EVO Plus
If you run several demanding apps at once — a browser with dozens of tabs, a DAW, and a virtual machine, say — the Samsung 990 EVO Plus handles that mixed workload well. Rated up to 7,250 MB/s with Samsung’s HMB technology for smarter caching, it stays responsive even when several programs are hitting the drive simultaneously. It’s a sensible middle ground between the flagship 990 PRO and more budget-focused options. It also pairs naturally with the workflow needs covered in our best SSDs for multitasking guide.
SATA vs NVMe: Which 4TB SSD Should You Buy
This is the single biggest fork in the road when shopping for a 4TB SSD. SATA drives are cheaper, plug into almost any desktop, and are the only option for many older laptops — but they’re capped well below 600 MB/s no matter how much you spend.
NVMe drives, by contrast, connect directly to your motherboard’s PCIe lanes and can move data ten times faster or more. The catch is that you need a free M.2 slot and a motherboard that supports the PCIe generation you’re paying for. If you edit video, work with large datasets, or want the fastest possible game loading, NVMe is worth the extra cost. If you mainly need bulk storage for files you access occasionally, a SATA drive like the Crucial BX500 saves real money without hurting daily use. Readers weighing NVMe specifically may also want our roundup of the best NVMe SSDs for a closer look at PCIe generations and heatsink options.
Common Mistakes to Avoid When Buying a 4TB SSD
A few buying mistakes show up again and again with high-capacity drives, and they’re easy to avoid once you know what to look for.
- Buying NVMe speed you can’t use: A Gen 5 drive in a Gen 3 motherboard slot runs at Gen 3 speeds, so check your board’s specs before paying for top-tier throughput.
- Ignoring heatsink clearance: Fast NVMe drives run hot under sustained load; make sure your case or motherboard has room for a heatsink or has one built in.
- Skipping the endurance rating: If you’re editing video or running a database, a low TBW rating can mean replacing the drive sooner than expected.
- Treating any single drive as a backup: Even a reliable SSD can fail; keep a second copy of anything irreplaceable, especially on drives handling constant read/write cycles.
For anyone streaming or archiving large video libraries, capacity mistakes are just as common as speed mistakes — our guide to the best SSDs for streaming covers that side of the decision in more detail.
Who Should (and Shouldn’t) Buy a 4TB SSD
A 4TB drive makes sense if you’re consolidating multiple smaller drives, storing a large game library, or working with media files that eat storage fast. It’s overkill if you mainly browse, write documents, or stream from the cloud — a smaller-capacity drive will serve you just as well for less money. If you’re not sure how much room you actually need, sizing down to a 1TB or 2TB option can save you real money without hurting daily use.
Frequently Asked Questions About 4TB SSDs
Is a 4TB SSD worth it over a 2TB drive?
It depends on how fast your storage fills up. If you’re regularly deleting files to make room, or you manage a large game or media library, the extra capacity pays for itself in convenience.
Do I need NVMe for a 4TB SSD, or is SATA enough?
SATA is fine for bulk storage, backups, and secondary drives. NVMe is worth the premium if you edit video, load large games often, or want your system to feel consistently fast under heavy use.
How long do 4TB SSDs typically last?
Most consumer drives in this list carry endurance ratings well beyond what typical home or office use will consume in five or more years, though heavy write workloads will wear a drive down faster than casual use.
Can I use a 4TB SSD as my only drive?
Yes, many people run a single 4TB SSD as both boot and storage drive. Just make sure you still back up important files elsewhere, since no single drive should be your only copy of irreplaceable data.
Will a 4TB NVMe drive fit in my laptop?
Only if your laptop has a free M.2 2280 slot rated for the drive’s PCIe generation. Check your laptop’s specs or teardown guides before ordering, since slot support varies widely between models.
Whichever drive you land on, matching the interface and speed to your actual workload matters more than chasing the highest number on the spec sheet. Compare specs and availability for the picks above, and pick the one that fits both your system and your budget.
