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M.2 2280 SSD with black aluminium heatsink and exposed controller

SanDisk

SanDisk WDS400T1XHM-00CMT0 4TB M.2 2280 PCIe 5.0 x4 internal SSD with heatsink

SKU CH-4G70-ZHY63 MPN WDS400T1XHM-00CMT0

A 4 TB M.2 2280 PCIe 5.0 x4 NVMe SSD with an integrated heatsink delivering up to 14 900 MB/s read and 14 000 MB/s write speeds for gaming and content creation

  • Total capacity4 TB
  • Sequential read speedUp to 14,900 MB/s
  • Sequential write speedUp to 14,000 MB/s
  • Interface typePCI-Express 5.0 x4
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Model 4TB w/ Heatsink

  • Blistering sequential reads up to 14,900 MB/s slash load times
  • Sustained sequential writes up to 14,000 MB/s accelerate large-file saves
  • Responsive multitasking from 2,300,000 random read IOPS
  • Integrated heatsink maintains peak throughput during heavy workloads
  • 2,400 TBW rating supports years of intensive write cycles

Capacity and audience

The SanDisk WDS400T1XHM-00CMT0 is a 4TB M.2 2280 NVMe SSD that connects through a PCIe 5.0 x4 interface. It targets enthusiasts building gaming PCs or workstations who need maximum sequential throughput and high random IOPS for large game libraries and content-creation workloads.

Build and thermal design

The drive ships with an integrated heatsink that helps sustain peak performance during extended heavy loads. Its M.2 2280 form factor fits standard motherboard slots, while the DRAM-less architecture uses SLC caching to deliver up to 14900 MBps read and 14000 MBps write without a separate DRAM package.

Upgrade context

This model replaces earlier PCIe 4.0 NVMe drives when a platform supports Gen 5 and the workload can use the extra bandwidth. The jump is worth it for users moving large assets or training AI models who need the 2400 TBW endurance rating and 1,750,000-hour MTTF for long-term reliability.

How it compares

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

Price $847.99
Pricier than about 88% of the 1,994 comparable items (median $180.49).
Total capacity 4 TB
Higher than about 90% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 14,900 MB/s
Higher than about 94% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $212.00 per TB
Pricier than about 63% 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
Model nameWDS400T1XHM-00CMT0
Total capacity4 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 14,900 MB/s
Sequential write speedUp to 14,000 MB/s
Random read (4K)Up to 2,300,000 IOPS
Random write (4K)Up to 2,400,000 IOPS
Storage
Cache memoryNo DRAM (SLC)
Write endurance2400 TB
Connectivity
Connection protocolNVMe
Ports & slots
Interface typePCI-Express 5.0 x4
Power
Idle power drawSleep (PS4): 5 mW
Active power draw6.5 W Read / 7.0 W Write
Size & build
Form factorM.2 2280
Heat sinkWith HeatSink
Overall height11.25 mm
Overall width80 mm
Product depth22 mm
Product weight31.2g
Shipping weight0.07 kg
Package size127 × 102 × 19 mm
Environment & compliance
Operating temperature range32 °F to 185 °F (0 °C to 85 °C)
Storage temperature range-40 °F to 185 °F (-40 °C to 85 °C)
Max shock tolerance1,500G @0.5 ms half sine
Vibration toleranceOperating Vibration: 5 gRMS, 10-2000 Hz, 3 axes
Non-operating Vibration: 4.9 gRMS, 7-800 Hz, 3 axes
More details
Mean time to failure1,750,000 h

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