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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)
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)

By SpecPicks Editorial · Verified 2026-08-26

$579.00
Buy on Amazon — $579.00 Compare to similar ssds & storage

*Price sourced from Amazon.com. Last updated 2026-08-26. Price and availability subject to change.

Bottom line: The 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) is a niche pick — read recent reviews before buying in the ssds & storage category, priced around $579.00. Read recent reviews carefully before committing.

The Samsung 990 EVO Plus 4TB is a flexible-interface NVMe drive that runs at PCIe 4.0 x4 or PCIe 5.0 x2, so it slots into modern desktops and laptops that split lanes without giving up bandwidth. Sequential speeds reach 7,250 MB/s read and 6,300 MB/s write, which shortens the wait when you are moving multi-gigabyte game installs, 4K project files, or model weights between drives. Intelligent TurboWrite 2.0 is tuned for sustained large-file writes at this 4TB capacity, so long transfers hold speed longer instead of collapsing into a slow post-cache state. Samsung's nickel-coated controller…

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SpecPicks Verdict

SpecPicks classifies Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds… as a niche pick — read recent reviews before buying in the ssds & storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Samsung's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Backed by Samsung's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • GROUNDBREAKING READ/WRITE SPEEDS: The 990 EVO Plus features the latest NAND memory, boosting sequential read/write speeds up to 7,250/6,300MB/s. Ideal for huge file transfers and finishing tasks faster than ever.
  • LARGE STORAGE CAPACITY: Harness the full power of your drive with Intelligent TurboWrite2.0's enhanced large-file performance—now available in a 4TB capacity.
  • EXCEPTIONAL THERMAL CONTROL: Keep your cool as you work—or play—without worrying about overheating or battery life. The efficiency-boosting nickel-coated controller allows the 990 EVO Plus to utilize less power while achieving similar performance.
  • OPTIMIZED PERFORMANCE: Optimized to support the latest technology for SSDs—990 EVO Plus is compatible with PCIe 4.0 x4 and PCIe 5.0 x2. This means you get more bandwidth and higher data processing and performance.
  • NEVER MISS AN UPDATE: Your 990 EVO Plus SSD performs like new with the always up-to-date Magician Software. Stay up to speed with the latest firmware updates, extra encryption, and continual monitoring of your drive health–it works like a charm.

Full Specifications

BrandSamsung
ColorBlack
Model Name990 EVO Plus
Read Speed7250 Megabytes Per Second
Unit Count1.0 Count
Form FactorM2
Media Speed6300
Model NumberMZ-V9S4T0B/AM
CompatibilityPC
Built-In MediaInternal SSD
Hard-Drive Size4 TB
Mfr Part NumberMZ-V9S4T0B/AM
Number of Items1
Special FeatureBackward Compatible

Ready to buy?

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) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-26. Price and availability subject to change.

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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)
$579.00
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