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Western Digital Internal SSD 4TB WD Black SN7100 (Read Up to 7,250MB/sec) M.2-2280 NVMe WDS400T4X0E-EC
Western Digital

Western Digital Internal SSD 4TB WD Black SN7100 (Read Up to 7,250MB/sec) M.2-2280 NVMe WDS400T4X0E-EC

Bottom line: The Western Digital Internal SSD 4TB WD Black SN7100 M.2-2280 NVMe is a specs-and-price decision rather than a crowd-consensus one in the ssds & storage category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Capacity: 4TB
  • ✓ Backed by Western Digital's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

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SpecPicks Verdict

SpecPicks scored Western Digital Internal SSD 4TB WD Black SN7100 M.2-2280 NVMe using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Western Digital's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Capacity: 4TB
  • Interface: M.2 2280 PCIe Gen 4 x 4
  • Read: Sequential up to 7,250 MB/s, Random up to 1,000 k IOPS
  • Write: Sequential up to 6,900 MB/s, Random up to 1,400 k IOPS
  • Warranty: 5 years

Ready to buy?

Western Digital Internal SSD 4TB WD Black SN7100 (Read Up to 7,250MB/sec) M.2-2280 NVMe WDS400T4X0E-EC is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Western Digital Internal SSD 4TB WD Black SN7100 (Read Up to 7,250MB/sec) M.2-2280 NVMe WDS400T4X0E-EC
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