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Small green M.2 2280 circuit board with black controller and silver label

SanDisk

SanDisk WDS250G1R0C Red SN700 NVMe 250GB internal SSD

SKU CH-HXTM-SAS0R MPN WDS250G1R0C

An M.2 2280 internal SSD delivering up to 3100 MBps read and 1600 MBps write with 500 TBW endurance for NAS caching

  • Total capacity250 GB
  • Sequential read speedUp to 3,100 MB/s
  • Sequential write speedUp to 1,600 MB/s
  • Interface typePCI-Express 3.0 x4
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Capacity 250GB

  • NVMe caching accelerates NAS responsiveness with up to 3100 MBps sequential read
  • High endurance sustains heavy workloads through 500 TBW and 1,750,000 hours MTTF
  • PCIe 3.0 x4 interface delivers up to 220,000 IOPS random read for multi-user tasks
  • Low 70 mW idle power reduces heat in always-on NAS enclosures
  • M.2 2280 form factor fits standard NAS slots for easy capacity scaling

250GB NVMe cache drive for NAS

The SanDisk WDS250G1R0C is a 250GB internal SSD built for network-attached storage. It uses the M.2 2280 form factor and a PCI-Express 3.0 x4 interface. The drive targets small-to-medium business workloads such as virtualization, collaborative editing and multi-user databases.

Upgrade from SATA SSD caching

This NVMe SSD replaces a SATA cache device to deliver higher I/O performance and lower latency. Sequential reads reach up to 3100 MBps and writes up to 1600 MBps. Random reads hit 220000 IOPS and writes 180000 IOPS. The jump is worth it when your NAS serves many simultaneous users or runs latency-sensitive applications.

Fits M.2 2280 slots with PCIe 3.0 x4

The drive slots directly into a compatible M.2 2280 connector wired for PCI-Express 3.0 x4. Endurance is rated at 500TB written and MTTF at 1750000 hours. Idle power draw is 70 mW. Operating temperatures range from 0°C to 70°C, while storage temperatures span -55°C to 85°C.

How it compares

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

Price $57.99
Cheaper than about 88% of the 1,994 comparable items (median $180.49).
Total capacity 250 GB
Lower than about 84% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 3,100 MB/s
Higher than about 56% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $231.96 per TB
Pricier than about 67% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameWestern Digital
Product lineRed SN700 NVMe
Model nameWDS250G1R0C
Total capacity250 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 3,100 MB/s
Sequential write speedUp to 1,600 MB/s
Random read (4K)Up to 220,000 IOPS
Random write (4K)Up to 180,000 IOPS
Storage
Write endurance500 TB
Ports & slots
Interface typePCI-Express 3.0 x4
Power
Idle power draw70 mW
Size & build
Form factorM.2 2280
Overall width22 mm
Product depth80 mm
Product weight7.5g
Shipping weight0.05 kg
Package size127 × 102 × 20 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-55 °C to 85 °C
More details
Mean time to failure1,750,000 h

Other versions of this model

4 more in the same range

Questions about this item

Does the M.2 2280 form factor fit my NAS slot?

The drive is an M.2 2280 module measuring 22.00 mm wide and 80.00 mm long, matching the standard slot found in compatible NAS devices.

How do I install the PCI-Express 3.0 x4 drive, and what step is often missed?

Align the notched edge with the M.2 key, insert the drive, then secure it with the retention screw; the missed step is forgetting that screw, which leaves the drive unseated.

When will the 500 TBW endurance rating require replacement?

The drive is rated for 500 terabytes written; replacement depends on your actual write volume, which the NAS SMART tools can track over time.

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