Western Digital

Western Digital 2TB WD Blue SN550 NVMe Internal SSD (WDS200T2B0C)

Name: Western Digital 2TB WD Blue SN550 NVMe Internal SSD - Gen3 x4 PCIe 8Gb/s, M.2 2280, 3D NAND, Up to 2,600 MB/s - WDS200T2B0C
Brand: Western Digital
SKU: B08K4NP5DQ

Status: Western Digital 2TB WD Blue SN550 NVMe Internal… (2TB PCIe 3.0 NVMe SSD): Unavailable on Amazon as of 2026-10-20 22:13 UTC. SpecPicks has no in-stock 2TB PCIe 3.0 NVMe SSD on file; an Amazon search for "2TB PCIe 3.0 NVMe SSD" lists current offers with the same specs. eBay sellers may still list this model new or used.

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Bottom line: The Western Digital 2TB WD Blue SN550 NVMe Internal SSD: Up to 2,600 MB/s sequential reads over Gen3 x4 PCIe 8Gb/s; main trade-off: gen3 x4 only; PCIe 4.0 boards leave bandwidth on the table.

Unavailable on Amazon as of 2026-10-20 22:13 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

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. About the author →

Pros & Cons

Pros

✓ Up to 2,600 MB/s sequential reads over Gen3 x4 PCIe 8Gb/s
✓ Western Digital rates it 4x faster than the brand's SATA SSDs
✓ 2TB of 3D NAND in a single M.2 2280 slot, no cables needed
✓ WD SSD Dashboard tracks drive health and remaining life

Cons

✗ Gen3 x4 only; PCIe 4.0 boards leave bandwidth on the table
✗ 2,600 MB/s read trails current Gen4 drives by roughly half
✗ No DRAM cache on the SN550 line, so heavy sustained writes slow
✗ M.2 2280 length may not fit smaller 2242 or 2230 slots

Manufacturer description

Boost your system’s performance with next-gen NVMe SSDs Over 4 times faster than our SATA SSDs Slimline M.2 2280 form factor

SpecPicks Verdict

SpecPicks scored Western Digital 2TB WD Blue SN550 NVMe Internal SSD 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.

Frequently Asked Questions

How fast is the WD Blue SN550 2TB?

Western Digital rates it at up to 2,600 MB/s sequential read over a Gen3 x4 PCIe 8Gb/s interface, which the company describes as over four times faster than its SATA SSDs.

Will this fit my laptop or motherboard?

It uses the slimline M.2 2280 form factor, the most common NVMe size on desktop motherboards and modern laptops. Confirm your slot supports M.2 2280 NVMe drives before ordering.

Is the SN550 good enough if I have a PCIe 4.0 motherboard?

It will work, but it is a Gen3 x4 drive and will not use Gen4 bandwidth. If you specifically want peak sequential throughput on a Gen4 board, look at a Gen4 model instead.

Can I use it as a boot drive for Windows?

Yes. It is a standard NVMe drive in M.2 2280 form, so it installs as a bootable system drive on any motherboard with NVMe boot support in the BIOS.

How do I check the drive's health over time?

Western Digital's SSD Dashboard utility constantly monitors the health of the SSD, reporting status and wear so you can plan a replacement before failure.

Key Features

Boost your system’s performance with next-gen NVMe SSDs
Over 4 times faster than our SATA SSDs
Slimline M.2 2280 form factor
Western Digital-designed controller and firmware for optimized performance
Western Digital SSD Dashboard constantly monitors the health of your SSD

Full Specifications

Size	2TB
Brand	Western Digital
Color	Blue
Model	WDS200T2B0C
Warranty	5 year limited manufacturer
UnitCount	1
ReleaseDate	2020-11-10T00:00:01Z
Manufacturer	Western Digital
ItemPartNumber	WDS200T2B0C
Full listing title	Western Digital 2TB WD Blue SN550 NVMe Internal SSD - Gen3 x4 PCIe 8Gb/s, M.2 2280, 3D NAND, Up to 2,600 MB/s - WDS200T2B0C

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