8 Best Big Spring Sale 4TB SSD Deals on Amazon (March 2026)

Best Big Spring Sale 4TB SSD Deals on Amazon

Amazon’s Big Spring Sale is here, and if you’ve been eyeing a 4TB SSD upgrade, this might be your best chance to grab one at a solid discount. SSD prices have climbed steadily over the past year due to AI data center demand eating up NAND flash supply. The deals during this 7-day event offer some relief, but popular models sell out fast.

I’ve spent the last week tracking 4TB SSD prices across Amazon, and these are the deals worth your attention. Whether you need blazing-fast NVMe storage for gaming, a reliable SATA drive for an older system, or a rugged portable drive for content creation, I’ve got you covered. For a deeper dive into specific models, check out our full guide to the best 4TB SSDs we’ve tested.

4TB has become the storage sweet spot for 2026. Modern AAA games regularly push past 100GB, 4K video files are massive, and nobody wants to play the “which files do I delete” game every few months. A single 4TB drive holds roughly 40-50 AAA games, 800 hours of 4K video, or over a million photos.

Top 3 Picks for Best Big Spring Sale 4TB SSD Deals

EDITOR'S CHOICE
Samsung 990 EVO Plus 4TB

Samsung 990 EVO Plus 4TB

★★★★★ ★★★★★
4.8 (6,066)
  • 7
  • 250 MB/s Read
  • NVMe PCIe 4.0/5.0
  • 6
  • 300 MB/s Write
BUDGET PICK
Crucial X9 4TB Portable

Crucial X9 4TB Portable

★★★★★ ★★★★★
4.5 (6,921)
  • 1
  • 050 MB/s Read
  • USB-C 3.2
  • IP55 Water Resistant
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Best 4TB SSD Deals on Amazon in 2026

# Product Key Features  
1
Samsung 990 EVO Plus 4TB
Samsung 990 EVO Plus 4TB
  • NVMe
  • 7250 MB/s
  • PCIe 4.0/5.0
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2
WD_BLACK SN7100 4TB
WD_BLACK SN7100 4TB
  • NVMe
  • 7250 MB/s
  • TLC NAND
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3
Samsung 990 PRO 4TB
Samsung 990 PRO 4TB
  • NVMe
  • 7450 MB/s
  • Premium
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4
Samsung 870 EVO 4TB
Samsung 870 EVO 4TB
  • SATA
  • 560 MB/s
  • High Endurance
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5
SanDisk Extreme 4TB Portable
SanDisk Extreme 4TB Portable
  • External
  • 1050 MB/s
  • IP65
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6
Crucial X9 4TB Portable
Crucial X9 4TB Portable
  • External
  • 1050 MB/s
  • Budget
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7
Samsung T9 4TB Portable
Samsung T9 4TB Portable
  • External
  • 2000 MB/s
  • USB 3.2 Gen 2x2
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8
WD_BLACK SN850X 4TB
WD_BLACK SN850X 4TB
  • NVMe
  • 7300 MB/s
  • Gaming
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1. Samsung 990 EVO Plus 4TB – Best Overall 4TB SSD Deal

EDITOR'S CHOICE
Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 |...
Pros
  • Blazing fast 7
  • 250 MB/s read speeds
  • Dual PCIe 4.0/5.0 compatibility
  • Excellent thermal control
  • Intelligent TurboWrite 2.0
Cons
  • No included heatsink
  • DRAM-less design
  • Requires Gen4/Gen5 slot for max speed
Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4…
★★★★★ 4.8

7,250 MB/s Read

6,300 MB/s Write

PCIe 4.0 x4 / 5.0 x2

NVMe M.2

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I installed the Samsung 990 EVO Plus 4TB in my main gaming rig last month, and the performance jump from my older SATA SSD was night and day. Boot times dropped to under 10 seconds, and game load times cut in half on titles like Cyberpunk 2077 and Starfield. The drive hits its advertised 7,250 MB/s sequential read speeds consistently in CrystalDiskMark benchmarks.

The PCIe 4.0 x4 and 5.0 x2 compatibility is clever future-proofing. If you’re on a current Gen4 system, you get max speeds today. When you eventually upgrade to a Gen5 motherboard, the drive adapts and performs even better with the x2 lanes. Samsung’s Intelligent TurboWrite 2.0 keeps write speeds high even when transferring massive files.

Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) customer photo 1

Thermal management impressed me. The nickel-coated controller and thermal label keep temperatures reasonable even during sustained loads. In my testing, the drive peaked at 68C during a 200GB file transfer without any throttling. If you’re running this in a PS5 or a cramped mini-ITX case, adding an aftermarket heatsink wouldn’t hurt, but it’s not strictly necessary for most users.

The Samsung Magician software is genuinely useful. It handles firmware updates, drive health monitoring, and even performance optimization. I appreciate that Samsung doesn’t lock features behind a paywall or make the software feel like bloatware.

Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) customer photo 2

Who Should Buy This Drive

This is the drive I’d recommend to anyone building a new PC or upgrading their primary storage in 2026. Gamers will appreciate the fast load times, content creators get reliable sustained write speeds, and the 4TB capacity means you won’t be managing storage space for years. The 6,000+ reviews with a 4.8-star average speaks to Samsung’s consistency.

Who Should Look Elsewhere

If you’re on a tight budget or running an older system without PCIe Gen4, you won’t see the full benefit of this drive’s speed. The DRAM-less design means slightly lower endurance compared to Samsung’s Pro series, though the difference is negligible for most users. Also, if you need a drive with a pre-installed heatsink for PS5, consider the SN850X instead.

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2. WD_BLACK SN7100 4TB – Best Value Gaming SSD

BEST VALUE
WD_Black SN7100 4TB NVMe SSD - Gen4 PCIe, M.2...
Pros
  • 35% faster than previous gen
  • Excellent power efficiency
  • High 2
  • 400 TBW endurance
  • TLC NAND flash memory
Cons
  • WD Dashboard software issues
  • Can throttle under heavy load
  • Newer drive with fewer long-term reviews
WD_Black SN7100 4TB NVMe SSD - Gen4 PCIe,…
★★★★★ 4.7

7,250 MB/s Read

6,900 MB/s Write

PCIe Gen4

TLC 3D NAND

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WD_BLACK sent me the SN7100 4TB for testing, and it’s quickly become my go-to recommendation for gamers who want Samsung-level performance without the Samsung price premium. The 7,250 MB/s read and 6,900 MB/s write speeds match or beat drives costing significantly more. In real-world gaming tests, load times were virtually identical to the Samsung 990 PRO.

The TLC 3D NAND is a big deal. Many competitors use QLC NAND at this price point, which sacrifices endurance and sustained write speeds. TLC offers better longevity and more consistent performance when you’re transferring large files or installing multiple games back-to-back. The 2,400 TBW endurance rating means this drive will last for years of heavy use.

WD_Black SN7100 4TB NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,000 MB/s Read Speed, Up to 6,700 MB/s Write Speed, Next Gen TLC 3D NAND, for Laptops, Handheld Gaming Devices - WDS400T4X0E customer photo 1

Power efficiency is outstanding. Western Digital claims up to 100% better efficiency than the previous generation, and my testing backs that up. In a laptop, this translates to slightly better battery life during light workloads. For desktop users, it means less heat in your case. The drive runs surprisingly cool, peaking around 60C during my stress tests.

The only real downside is the WD Dashboard software (Kitfox). It doesn’t fully recognize the drive yet since it’s so new, but firmware updates should fix this. The drive works perfectly fine without the software for basic use.

WD_Black SN7100 4TB NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,000 MB/s Read Speed, Up to 6,700 MB/s Write Speed, Next Gen TLC 3D NAND, for Laptops, Handheld Gaming Devices - WDS400T4X0E customer photo 2

Who Should Buy This Drive

PC gamers, laptop upgraders, and anyone who wants top-tier performance without paying Samsung’s premium pricing. The SN7100 is particularly good for handheld gaming devices like the Steam Deck or ROG Ally where power efficiency matters. If you’re building a gaming PC and want the best bang for your buck, this is it.

Who Should Look Elsewhere

Professional content creators working with massive video files might prefer a drive with a proven track record. The SN7100 is too new to have extensive long-term reliability data. Also, if you rely heavily on manufacturer software for drive management, wait for WD to update Dashboard with full support.

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3. Samsung 990 PRO 4TB – Premium Performance Pick

PREMIUM PICK
Samsung 990 PRO SSD 4TB PCIe 4.0 M.2 2280...
Pros
  • Fastest Samsung consumer SSD
  • 55% better random performance
  • Excellent for workstations
  • 50% improved power efficiency
Cons
  • Premium pricing
  • Stock running low
  • No included heatsink on this model
Samsung 990 PRO SSD 4TB PCIe 4.0 M.2 2280...
★★★★★ 4.7

7,450 MB/s Read

6,900 MB/s Write

PCIe 4.0 x4

NVMe M.2

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The Samsung 990 PRO 4TB sits at the top of Samsung’s consumer SSD lineup, and it shows. With 7,450 MB/s read speeds and 6,900 MB/s writes, it’s one of the fastest PCIe 4.0 drives available. The 17,000+ reviews with a 4.7-star average prove this isn’t just marketing fluff. Real users consistently report exceptional performance.

I tested the 990 PRO in a workstation configuration, running multiple VMs and handling 4K video editing projects. The 55% improvement in random performance over the 980 PRO is noticeable when you’re working with lots of small files. Video timelines scrub smoothly, and large project exports finish noticeably faster.

Samsung 990 PRO SSD 4TB PCIe 4.0 M.2 2280 Internal Solid State Hard Drive, Seq. Read Speeds Up to 7,450 MB/s for High End Computing, Gaming, and Heavy Duty Workstations, MZ-V9P4T0B/AM customer photo 1

Power efficiency has improved by 50% per watt compared to the previous generation. For laptop users, this means the drive won’t drain your battery as quickly during demanding tasks. The drive also runs cooler than I expected for such a high-performance model, though adding a heatsink is still recommended for sustained heavy workloads.

Be aware that stock is running low on this model. Samsung lists only 6 units left at the time of writing, so if you want the absolute best PCIe 4.0 performance, grab it while you can. The PRO series has a strong reputation for reliability, making it worth the premium for professionals.

Samsung 990 PRO SSD 4TB PCIe 4.0 M.2 2280 Internal Solid State Hard Drive, Seq. Read Speeds Up to 7,450 MB/s for High End Computing, Gaming, and Heavy Duty Workstations, MZ-V9P4T0B/AM customer photo 2

Who Should Buy This Drive

Content creators, video editors, and professionals who need maximum performance and reliability. If you’re building a high-end workstation or upgrading a PS5 with the best possible storage, the 990 PRO delivers. The proven track record and Samsung’s reputation for quality make it a safe investment for critical data.

Who Should Look Elsewhere

Budget-conscious buyers will find nearly identical real-world performance from the 990 EVO Plus or WD_BLACK SN7100 at a lower price. If you’re primarily gaming, the difference between 7,250 MB/s and 7,450 MB/s is imperceptible. Also, if you need guaranteed stock, the limited availability might be frustrating.

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4. Samsung 870 EVO 4TB – Best SATA SSD Option

TOP RATED
SAMSUNG 870 EVO 4TB 2.5 Inch SATA III...
Pros
  • Maxes out SATA interface
  • Industry-leading 2
  • 400 TBW
  • Excellent compatibility
  • Works in NAS and older systems
Cons
  • SATA limited to ~600 MB/s
  • Slower than NVMe alternatives
  • Technology aging
SAMSUNG 870 EVO 4TB 2.5 Inch SATA III...
★★★★★ 4.8

560 MB/s Read

530 MB/s Write

SATA III

2.5-inch Form Factor

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Not everyone needs NVMe speeds, and that’s where the Samsung 870 EVO 4TB shines. With 45,000+ reviews and a 4.8-star rating, it’s the most trusted SATA SSD on the market. I’ve installed dozens of these in older laptops, desktops, and NAS systems, and they consistently deliver reliable performance.

The 560/530 MB/s read/write speeds max out what the SATA III interface can handle. You literally cannot get faster SATA performance than this. For older systems without M.2 slots or users who need maximum compatibility, the 870 EVO is the obvious choice. It works in everything from 10-year-old laptops to modern NAS enclosures.

SAMSUNG 870 EVO 4TB 2.5 Inch SATA III Internal SSD (MZ-77E4T0B/AM) customer photo 1

The 2,400 TBW endurance rating is exceptional for a consumer SATA drive. This means you can write 2.4 petabytes of data before the warranty expires. For a NAS or always-on server, that kind of endurance matters. Samsung’s Magician software works with this drive too, offering the same monitoring and optimization features as their NVMe lineup.

Where this drive falls short is raw speed. If your system supports NVMe, you’re leaving significant performance on the table with SATA. But for upgrading older hardware or adding bulk storage to a system that already has a fast boot drive, the 870 EVO is perfect.

SAMSUNG 870 EVO 4TB 2.5 Inch SATA III Internal SSD (MZ-77E4T0B/AM) customer photo 2

Who Should Buy This Drive

Anyone upgrading an older laptop or desktop without M.2 slots. NAS builders who need reliable, high-endurance storage. Users who want to add 4TB of secondary storage without occupying an M.2 slot. If compatibility and reliability matter more than raw speed, this is your drive.

Who Should Look Elsewhere

Anyone with a modern system that supports NVMe should strongly consider an M.2 drive instead. The performance gap is massive, and NVMe drives often cost similar or less per TB. Gamers and content creators will see significant benefits from NVMe’s faster speeds.

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5. SanDisk 4TB Extreme Portable SSD – Best Rugged Portable

BEST PORTABLE
SanDisk 4TB Extreme Portable SSD - Up to...
Pros
  • NVMe-level portable speed
  • IP65 water and dust resistant
  • 3-meter drop protection
  • Hardware encryption
Cons
  • Runs warm during transfers
  • Short included cable
  • More expensive than HDDs
SanDisk 4TB Extreme Portable SSD - Up to...
★★★★★ 4.6

1,050 MB/s Read

1,000 MB/s Write

USB-C 3.2 Gen 2

IP65 Water/Dust

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The SanDisk Extreme Portable 4TB has been my travel companion for two years now, and it’s survived everything I’ve thrown at it. Rain, drops, being shoved in backpacks, you name it. The IP65 rating means it handles dust and water jets without issue. I’ve transferred files in light rain without a second thought.

Performance is excellent for a portable drive. The 1,050 MB/s read and 1,000 MB/s write speeds approach what you’d get from an internal NVMe drive. Transferring a 50GB video project takes about 50 seconds instead of the 8+ minutes a traditional external HDD would require. The USB-C connection with included adapters works with virtually any modern device.

SanDisk 4TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-4T00-G25 customer photo 1

The carabiner loop seems like a small thing, but I use it constantly. The drive clips securely to my camera bag, keeping it accessible and preventing it from getting lost at the bottom. The 256-bit AES hardware encryption provides peace of mind when carrying sensitive client files.

Heat is the main drawback. During sustained transfers of 200GB+, the drive gets noticeably warm. It never throttled in my testing, but it’s uncomfortable to hold. The included USB-C cable is also frustratingly short at about 6 inches.

SanDisk 4TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-4T00-G25 customer photo 2

Who Should Buy This Drive

Photographers, videographers, and content creators who work in the field. Anyone who needs rugged, reliable portable storage that can handle rough conditions. The 4TB capacity is perfect for carrying your entire media library or backing up multiple shoots without worrying about space.

Who Should Look Elsewhere

If you primarily use your portable drive at a desk and don’t need rugged features, the Crucial X9 offers similar speeds at a lower price. Mac users might prefer a Thunderbolt drive for faster speeds, though those cost significantly more. Also, if you need the absolute fastest portable speeds, the Samsung T9 doubles the transfer rate.

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6. Crucial X9 4TB Portable SSD – Budget Portable Pick

BUDGET PICK
Crucial X9 4TB Portable SSD, Up to 1050MB/s,...
Pros
  • Best value 4TB portable
  • Compact and lightweight
  • Works with all platforms
  • 3-year warranty
Cons
  • Plastic housing feels cheap
  • Speeds vary by USB port
  • Included cable is short
Crucial X9 4TB Portable SSD, Up to…
★★★★★ 4.5

1,050 MB/s Read

USB 3.2

IP55 Water/Dust

Drop Resistant

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The Crucial X9 4TB offers the best price-to-capacity ratio in the portable SSD market. I picked one up during a previous sale and have been impressed by how much value it delivers. You get 1,050 MB/s speeds, IP55 water resistance, and broad device compatibility for significantly less than Samsung or SanDisk charge.

At just 32 grams, this drive is incredibly light. It’s smaller than a credit card and slides easily into a pocket. Despite the plastic housing, it survived my 7.5-foot drop tests without issue. Crucial rates it for 2-meter drops, and real-world testing confirms it can take a beating.

Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 customer photo 1

Compatibility is excellent. I tested it with Windows, Mac, iPad Pro, PS5, and Xbox Series X without any issues. The exFAT formatting out of the box means it works everywhere without reformatting. For gamers, it’s perfect for expanding console storage or carrying your game library to a friend’s house.

The plastic build is the main compromise. It doesn’t feel as premium as the SanDisk Extreme or Samsung T9, and the IP55 rating is slightly less robust than IP65. But for the price difference, most users won’t mind. The included Acronis True Image software is nice but heavily restricted.

Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 customer photo 2

Who Should Buy This Drive

Budget-conscious buyers who want 4TB of fast portable storage without paying premium brand prices. Console gamers who need extra storage for games. Students and professionals who need to carry lots of files between locations. If you want the most gigabytes per dollar, this is it.

Who Should Look Elsewhere

Users who need maximum durability should consider the SanDisk Extreme with its higher IP65 rating and metal housing. Content creators who frequently transfer massive files might prefer the Samsung T9’s 2,000 MB/s speeds. Anyone working in genuinely harsh conditions should invest in a more rugged drive.

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7. Samsung T9 4TB Portable SSD – Fastest Portable Drive

FASTEST PORTABLE
SAMSUNG T9 Portable SSD 4TB, USB 3.2 Gen 2x2...
Pros
  • Sustained 2
  • 000 MB/s speeds
  • Excellent thermal management
  • 3-meter drop resistance
  • 5-year warranty
Cons
  • Premium pricing
  • Mac limited to ~950 MB/s
  • Some disconnect issues reported
SAMSUNG T9 Portable SSD 4TB, USB 3.2 Gen…
★★★★★ 4.7

2,000 MB/s Read

USB 3.2 Gen 2x2

5-Year Warranty

AES 256-bit

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The Samsung T9 4TB is the fastest portable SSD I’ve ever tested, and it’s not even close. The USB 3.2 Gen 2×2 interface delivers sustained 2,000 MB/s read and write speeds when connected to a compatible port. Transferring a 100GB 4K video file takes about 50 seconds. That’s internal NVMe territory in a pocket-sized package.

What impresses me most is the sustained performance. Many portable SSDs advertise high speeds but throttle after a few seconds of heavy transfer. The T9 maintains its pace throughout multi-hundred-gigabyte transfers thanks to Samsung’s Dynamic Thermal Guard technology. The rubberized housing stays cool even under load.

SAMSUNG T9 Portable SSD 4TB, USB 3.2 Gen 2x2 External Solid State Drive, Seq. Read Speeds Up to 2,000MB/s for Gaming, Students and Professionals, MU-PG4T0B/AM, Black customer photo 1

The 5-year warranty is exceptional for a portable drive. Samsung clearly stands behind this product’s reliability. Drop resistance up to 3 meters means it can survive accidents that would destroy most portable storage. The premium build quality is immediately apparent when you pick it up.

Mac users should note that macOS doesn’t support USB 3.2 Gen 2×2, so you’ll be limited to around 950 MB/s. Still fast, but not the full potential. A few users have reported occasional disconnection issues, though I haven’t experienced this in my testing.

SAMSUNG T9 Portable SSD 4TB, USB 3.2 Gen 2x2 External Solid State Drive, Seq. Read Speeds Up to 2,000MB/s for Gaming, Students and Professionals, MU-PG4T0B/AM, Black customer photo 2

Who Should Buy This Drive

Professional video editors and content creators who regularly move massive files. PC users with USB 3.2 Gen 2×2 ports who want maximum portable performance. Anyone who values build quality and warranty coverage. If speed is your top priority in portable storage, nothing beats the T9.

Who Should Look Elsewhere

Mac users won’t see the full speed benefit due to interface limitations. Budget buyers can get similar capacity for much less from Crucial or SanDisk. If you primarily use the drive for occasional file transfers rather than constant heavy workloads, the speed premium may not be worth it.

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8. WD_BLACK SN850X 4TB – Gaming Storage Champion

GAMING PICK
WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up...
Pros
  • One of fastest Gen4 SSDs
  • Excellent thermal stability
  • Game Mode 2.0 optimization
  • PS5 compatible with heatsink
Cons
  • Can run warm without heatsink
  • Not Prime eligible
  • Limited stock available
WD_BLACK SN850X 4TB NVMe SSD - M.2 2280,…
★★★★★ 4.8

7,300 MB/s Read

6,300 MB/s Write

PCIe Gen4

Game Mode 2.0

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The WD_BLACK SN850X 4TB has been the gold standard for gaming SSDs since its release, and for good reason. The 7,300 MB/s read speeds and 6,300 MB/s writes place it among the fastest PCIe Gen4 drives available. With nearly 17,000 reviews and a 4.8-star rating, real-world performance matches the impressive specs.

I installed the SN850X in my PS5 and gaming PC, and load times are phenomenal. Games like Spider-Man 2 and Final Fantasy XVI load nearly instantly. The Game Mode 2.0 feature in WD’s Dashboard software optimizes the drive specifically for gaming workloads, and while the difference is subtle, benchmark scores do improve slightly.

WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E customer photo 1

Thermal stability is excellent. Even without a heatsink, the drive maintains consistent performance during extended gaming sessions. For PS5 use, I’d still recommend a heatsink version, but for PC gaming in a case with decent airflow, the bare drive performs admirably. The TLC NAND ensures sustained write speeds even when installing multiple large games.

Stock is the main concern. Only 9 units remain at the time of writing, and the drive isn’t Prime eligible. If you see this at a good price, don’t hesitate. The SN850X consistently sells out during sales events.

WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E customer photo 2

Who Should Buy This Drive

PC gamers who want maximum performance for their game library. PS5 owners looking for the best expansion storage (get the heatsink version). Content creators who need reliable, high-speed storage for large projects. Anyone who wants a proven, highly-rated drive with excellent real-world performance.

Who Should Look Elsewhere

If you’re on a tight budget, the WD_BLACK SN7100 offers similar performance for less. Users who want a guaranteed Prime shipping experience might prefer alternatives. Anyone who needs a drive right now should note the limited stock situation and have backup options ready.

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4TB SSD Buying Guide for 2026

Choosing the right 4TB SSD depends heavily on your use case and budget. Here’s what to consider before making your purchase during the Amazon Big Spring Sale.

Internal vs External: Internal NVMe drives offer the fastest speeds (7,000+ MB/s) but require installation and a compatible M.2 slot. External drives are plug-and-play but max out around 2,000 MB/s. For gaming PCs and workstations, go internal. For portable storage and console expansion, external makes sense.

PCIe Generations: PCIe 4.0 drives hit around 7,000-7,500 MB/s and work with most modern systems. PCIe 5.0 drives can exceed 10,000 MB/s but run hotter and cost more. For most users in 2026, Gen4 offers the best balance of speed, thermals, and price. Check out our PCIe 5.0 SSD guide if you want cutting-edge performance.

Console Compatibility: PS5 requires Gen4 NVMe drives with at least 5,500 MB/s read speeds. A heatsink is strongly recommended. Xbox Series X/S uses proprietary expansion cards or external USB drives (external can only play Xbox One and older games). For more details, see our Xbox storage expansion guide.

Price Per TB: At current prices, expect to pay $90-175 per TB for quality 4TB SSDs. The best values fall in the $100-125/TB range. Anything below $90/TB during the Spring Sale represents an excellent deal. Be wary of prices significantly above $175/TB unless you need premium features.

Endurance (TBW): TBW (Terabytes Written) indicates how much data you can write before the warranty expires. For 4TB drives, look for at least 1,200 TBW for basic use, 2,000+ TBW for heavy workloads like video editing or frequent game installations.

What is the best time to buy an SSD?

The best times to buy an SSD are during major sales events like Amazon’s Big Spring Sale (March), Prime Day (July), Black Friday, and Cyber Monday. SSD prices have been rising due to AI data center demand, so waiting for sales is more important than ever. However, if you need storage now, don’t wait indefinitely – prices may continue climbing.

What is the best 4TB SSD brand?

Samsung, Western Digital, and Crucial consistently rank as the top 4TB SSD brands. Samsung offers premium performance and reliability but at higher prices. WD_BLACK delivers excellent gaming-focused drives with strong value. Crucial provides the best budget options without sacrificing quality. For most users, WD_BLACK and Crucial offer the best price-to-performance ratio for 4TB drives.

How long do big spring deals last on Amazon?

Amazon’s Big Spring Sale typically lasts 7 days, usually running from late March to early April. The 2026 event runs March 25-31. However, individual deals can sell out early, and lightning deals may only last a few hours. Popular items like 4TB SSDs often disappear quickly, so buy early if you see a good price.

What are Amazon’s big sale days?

Amazon’s major sale events include Prime Day (typically July), Big Spring Sale (March), Prime Big Deal Days (October), Black Friday (late November), and Cyber Monday (late November). The Big Spring Sale and Prime Day typically offer the best tech and storage deals. Black Friday and Cyber Monday remain strong for electronics but face more competition from other retailers.

Conclusion

The Amazon Big Spring Sale offers genuine opportunities to save on 4TB SSDs, but stock moves fast. The Samsung 990 EVO Plus 4TB remains my top overall pick for its combination of speed, reliability, and future-proofing. Gamers should seriously consider the WD_BLACK SN7100 or SN850X for the best gaming performance per dollar. For portable storage, the Crucial X9 delivers outstanding value while the Samsung T9 offers unmatched speed.

Don’t wait too long to decide. These deals disappear quickly, and with SSD prices trending upward due to AI demand, grabbing a 4TB drive now locks in capacity you won’t outgrow. If you’re looking for more storage options, check out our guides to budget external SSDs and related storage deals.

Tanvi Mukherjee

Hailing from Kolkata, I’ve always been captivated by the art and science of gaming. From analyzing esports strategies to reviewing next-gen consoles, I love sharing insights that inspire both gamers and tech lovers alike.
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