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A green M.2 2280 circuit board with black controller and memory chips

SanDisk

SanDisk WD_BLACK SN7100 WDS500G4X0E-00CJA0 500GB internal SSD

SKU CH-TNAN-RYZ0G MPN WDS500G4X0E-00CJA0

A 500GB M.2 2280 NVMe SSD delivering up to 6800MB/s read and 5800MB/s write with 3000TBW endurance

  • Total capacity500 GB
  • Sequential read speedUp to 6,800 MB/s
  • Sequential write speedUp to 5,800 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Style Faster

Capacity 500GB

  • Fast game loads with up to 6800 MB/s sequential read
  • Quick level streaming via up to 5800 MB/s sequential write
  • Responsive multitasking from 760,000 IOPS random read
  • Sustained heavy writes backed by 1,200,000 IOPS random write
  • Long service life rated at 3000 TBW endurance

WD_BLACK SN7100 500GB gaming SSD

The WD_BLACK SN7100 is a 500GB internal solid state drive built for consumer PCs and handheld gaming devices. It uses a PCI-Express 4.0 x4 interface with the NVMe protocol and TLC 3D NAND flash. Sequential reads reach up to 6800 MBps and writes up to 5800 MBps.

DRAM-less M.2 2280 design

The drive adopts the M.2 2280 form factor and operates without a dedicated DRAM cache, relying on host memory buffer technology. It ships without a heatsink, so it fits thin laptop slots and compact handhelds where clearance is tight. Idle power draw in sleep state is 5mW.

Upgrade from older Gen4 drives

This model delivers up to 35% faster performance than the previous generation and up to 100% better power efficiency for mobile use. Endurance is rated at 3000TB written with a 1,750,000 hour MTBF. The WD_BLACK Dashboard utility on Windows helps maintain peak operation.

How it compares

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

Price $125.99
Cheaper than about 65% of the 1,994 comparable items (median $180.49).
Total capacity 500 GB
Lower than about 70% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 6,800 MB/s
Higher than about 79% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $251.98 per TB
Pricier than about 70% 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 lineSN7100
Model nameWDS500G4 × 0E
Total capacity500 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 6,800 MB/s
Sequential write speedUp to 5,800 MB/s
Random read (4K)Up to 760,000 IOPS
Random write (4K)Up to 1,200,000 IOPS
Storage
NAND flash typeTLC 3D NAND
Cache memoryNo DRAM (HMB)
Write endurance3000 TB
Connectivity
Connection protocolNVMe
Ports & slots
Interface typePCI-Express 4.0 x4
Power
Idle power drawSleep (PS4): 5mW
Active power drawAverage Active Power: 95mW
Maximum Operating Power: 4.5 W
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Overall height1.14 mm
Overall width22 mm
Product depth80 mm
Product weight5.8g
Shipping weight0.05 kg
Package size127 × 102 × 25 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 tolerance5 gRMS, 10-2000 Hz, 3 axes
More details
Mean time between failures1,750,000 h

Other versions of this model

5 more in the same range

Questions about this item

Will this M.2 2280 drive fit my laptop’s single PCIe 4.0 slot without a heatsink?

The drive uses the M.2 2280 form factor and has no integrated heatsink, so it fits standard laptop slots that accept single-sided modules.

Does the 500 GB model deliver the 7,250 MB/s read speed shown for larger capacities?

The 500 GB version is rated for up to 6,800 MB/s sequential read and 5,800 MB/s sequential write.

Is the 3,000 TBW endurance figure enough for heavy game installs and frequent capture recording?

At 3,000 TBW the drive is built for high write workloads such as streaming captures and large game libraries.

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