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SanDisk WD_BLACK SN7100 1TB M.2 2280 SSD with black label and gold contacts

SanDisk

SanDisk WDS100T4X0E-00CJA0 internal SSD

SKU CH-PZEE-FNYFA MPN WDS100T4X0E-00CJA0

1TB M.2 2280 SSD with PCIe 4.0 x4 NVMe reaching 7250 MB/s read and 6900 MB/s write, 600 TBW endurance, and 95 mW average active power

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity1TB
  • Memory ComponentsTLC 3D NAND
  • InterfacePCI-Express 4.0 x4

Style Faster

Options 1TB

  • Sequential reads reach 7250 MBps for faster load times
  • Sequential writes hit 6900 MBps to speed installs and saves
  • Random 4 KB reads deliver 1,000,000 IOPS for snappy responsiveness
  • Random 4 KB writes reach 1,400,000 IOPS to handle heavy workloads
  • 600 TBW endurance supports long-term gaming and content creation

WD_BLACK SN7100 1TB for gaming laptops

The WD_BLACK SN7100 is a 1TB internal SSD built for serious on-the-go gamers who need responsive storage in a compact M.2 2280 form factor. It uses a PCI-Express 4.0 x4 interface and NVMe protocol with Western Digital TLC 3D NAND to deliver high throughput for modern titles. The drive is optimised for laptops and handheld devices where power efficiency matters.

1TB capacity with 7250 MBps read and 6900 MBps write

Sequential speeds reach up to 7250 MBps read and 6900 MBps write, while random performance hits up to 1000000 IOPS read and 1400000 IOPS write for snappy game loads and asset streaming. The 600TB TBW rating and 1750000 hour MTBF provide ample endurance for gameplay captures and content creation. A DRAM-less design uses HMB to maintain speed without extra power draw.

M.2 2280 build with 95mW active power

Average active power sits at 95mW and maximum operating power at 4.5W, offering up to 100% better efficiency over the previous generation for longer battery life. Sleep power drops to 5mW in PS4 state. The single-sided M.2 2280 layout fits thin chassis without clearance issues. WD_BLACK Dashboard on Windows lets you monitor health and keep firmware current.

Highlights

  • Sequential reads reach 7250 MBps for faster load times
  • Sequential writes hit 6900 MBps to speed installs and saves
  • Random 4 KB reads deliver 1,000,000 IOPS for snappy responsiveness
  • Random 4 KB writes reach 1,400,000 IOPS to handle heavy workloads
  • 600 TBW endurance supports long-term gaming and content creation

Specifications

BrandWestern Digital
SeriesSN7100
ModelWDS100T4X0E
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
Capacity1TB
Memory ComponentsTLC 3D NAND
InterfacePCI-Express 4.0 x4
ProtocolNVMe
CacheNo DRAM (HMB)
Max Sequential ReadUp to 7250 MBps
Max Sequential WriteUp to 6900 MBps
4KB Random ReadUp to 1,000,000 IOPS
4KB Random WriteUp to 1,400,000 IOPS
Terabytes Written (TBW)600TB
MTBF1,750,000 hours
FeaturesHIGH-OCTANE GAMING. Experience speeds up to 7,250MB/s read and 6,900MB/s write (1-2TB models), with up to 35% faster performance than previous generation.
PURPOSE-BUILT. Designed for serious on-the-go gamers, with a PCIe Gen4 interface and Western Digital's next generation TLC 3D NAND.
MORE SPACE FOR FAVORITES AND NEW TITLES. Available in multiple capacities up to 2TB, upgrade to an SSD that gives you tons of storage.
MORE TIME TO CLEAR THAT CHECKPOINT. Built with laptops and handheld gaming devices in mind, with up to 100% more power efficiency over the previous generation.
DO MORE
Power Consumption (Idle)Sleep (PS4): 5mW
Power Consumption (Active)Average Active Power: 95mW
Maximum Operating Power: 4.5W
Operating Temperature32°F to 185°F (0°C to 85°C)
Storage Temperature-40°F to 185°F (-40°C to 85°C)
Max Shock Resistance1,500G @0.5 ms half sine
Max Vibration Resistance5 gRMS, 10-2000 Hz, 3 axes
Height1.14mm
Width22mm
Depth80mm
Weight5.8g
Shipping weight0.05 kg
Package size127 × 105 × 47 mm

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Questions about this item

Will the WD_BLACK SN7100 M.2 2280 work in a laptop that only has a PCIe 3.0 slot?

The drive is PCIe 4.0 x4 but will fall back to PCIe 3.0 speeds in an older slot, so it functions normally while you keep the existing laptop.

How can I verify the SN7100 is delivering the advertised 7250 MBps read and 6900 MBps write after installation?

Run a standard NVMe benchmark such as CrystalDiskMark on Windows; sequential results should approach 7250 MBps read and 6900 MBps write on a PCIe 4.0 platform.

Does the WDS100T4X0E-00CJA0 package include a heatsink or mounting screw, or must I buy them separately?

The retail box contains only the M.2 2280 SSD; any heatsink or motherboard standoff screw must be sourced separately.

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