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Small rectangular M.2 2230 SSD with black circuit board and silver label, .9 by 1.2 inches

Western Digital

Western Digital SN770M WDS200T3X0G 2 TB internal SSD

SKU CH-66DY-FZQ72 MPN WDS200T3X0G

M.2 2230 internal SSD delivering 2 TB capacity with sequential speeds up to 5150 MB/s read and 4850 MB/s write for notebooks and gaming consoles

  • Total capacity2 TB
  • Sequential read speedUp to 5,150 MB/s
  • Sequential write speedUp to 4,850 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factorM.2 2230
  • Product typeInternal Solid State Drive (SSD)
  • 2 TB capacity stores large game libraries and media projects
  • Up to 5150 MB/s sequential read cuts load times for games and apps
  • Up to 4850 MB/s sequential write speeds large file saves and transfers
  • 650000 random read IOPS and 800000 random write IOPS keep multitasking responsive
  • M.2 2230 form factor fits thin notebooks and gaming consoles

Built for tight spaces

The Western Digital SN770M WDS200T3X0G is a 2 TB internal SSD in the M.2 2230 form factor. It targets notebooks and gaming consoles that cannot accommodate longer modules. The PCIe 4.0 x4 interface delivers up to 5150 MB/s read and 4850 MB/s write speeds.

Straightforward drop-in

Installation follows the standard M.2 slot procedure: insert at an angle, press down, and secure with the single screw. The 2230 length fits shallow sockets without modification. The most common issue is a missing standoff or a screw that is too short for the motherboard threading.

PCIe 4.0 x4 ceiling

Sequential throughput caps at 5150 MB/s read and 4850 MB/s write on a PCIe 4.0 x4 link. Random performance reaches 650000 IOPS read and 800000 IOPS write. On a PCIe 3.0 slot the drive will operate at the lower bus limit, reducing maximum transfer rates accordingly.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $234.99
Pricier than about 60% of the 1,994 comparable items (median $180.49).
Total capacity 2 TB
Higher than about 70% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 5,150 MB/s
Higher than about 71% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $117.50 per TB
Cheaper than about 75% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameWestern Digital
Model nameSN770M
Part numberWDS200T3 × 0G
Total capacity2 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 5,150 MB/s
Sequential write speedUp to 4,850 MB/s
Ports & slots
Interface typePCI-Express 4.0 x4
Size & build
Form factorM.2 2230
Shipping weight0.05 kg
Package size135 × 102 × 25 mm

Questions about this item

How can I confirm the drive is delivering the 5150 MB/s read and 4850 MB/s write speeds after installation?

Run a benchmark tool such as CrystalDiskMark on the NVMe drive and compare the sequential read and write results to the 5150 MB/s and 4850 MB/s figures; matching numbers indicate the PCIe 4.0 x4 link is operating correctly.

What comes in the box with the WDS200T3X0G and what must I source separately?

The package contains the M.2 2230 SSD only; you will need to provide a compatible M.2 slot with PCIe 4.0 x4 support and, if your device requires it, a retaining screw.

Should I choose the 2 TB SN770M or a different capacity for my notebook or gaming console?

The 2 TB model delivers 5150 MB/s read and 4850 MB/s write with 650000 IOPS random read and 800000 IOPS random write; select this capacity if you need that performance tier and the 2 TB space, otherwise pick a lower or higher capacity variant that matches your storage budget.

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