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Small green circuit board M.2 2280 SSD with black label and gold edge connector

SanDisk

SanDisk WDS200T4X0E-00CJA0 2TB internal SSD

SKU CH-AE04-KJSQD MPN WDS200T4X0E-00CJA0

M.2 2280 2TB drive delivers up to 7250 MBps read and 6900 MBps write over PCIe 4.0 x4 with 1200 TBW endurance

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity2TB
  • Memory ComponentsTLC 3D NAND
  • InterfacePCI-Express 4.0 x4

Style Faster

Options 2TB

  • Sequential reads up to 7250 MBps accelerate game loads
  • Sequential writes up to 6900 MBps speed up large file saves
  • Random reads up to 1000000 IOPS sharpen system responsiveness
  • 1200 TBW endurance supports heavy gaming and content workloads
  • 1750000 hours MTBF indicates long-term drive reliability

WD_BLACK SN7100 2TB gaming SSD

The WD_BLACK SN7100 is a 2TB M.2 2280 solid state drive built for gamers who need fast storage in laptops or handheld devices. It uses a PCI-Express 4.0 x4 interface with NVMe protocol and TLC 3D NAND memory. The drive delivers sequential reads up to 7250 MBps and writes up to 6900 MBps.

Thermals noise and power draw

Average active power is 95mW with a maximum operating power of 4.5W, while sleep state drops to 5mW. The design targets up to 100% more power efficiency over the previous generation, which helps keep thermals low and battery life long in portable systems. No DRAM cache is present, relying on HMB instead.

Build quality connectors and mounting

The M.2 2280 form factor fits standard laptop and handheld slots without adapters. Endurance is rated at 1200TBW with an MTBF of 1,750,000 hours. The WD_BLACK Dashboard utility for Windows lets users monitor health and optimise performance. This drive is purpose built for mobile gaming workloads.

Highlights

  • Sequential reads up to 7250 MBps accelerate game loads
  • Sequential writes up to 6900 MBps speed up large file saves
  • Random reads up to 1000000 IOPS sharpen system responsiveness
  • 1200 TBW endurance supports heavy gaming and content workloads
  • 1750000 hours MTBF indicates long-term drive reliability

Specifications

BrandWestern Digital
SeriesSN7100
ModelWDS200T4X0E
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
Capacity2TB
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)1200TB
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 × 102 × 19 mm

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Questions about this item

How do I install the M.2 2280 drive in my laptop and what step do people often miss?

Insert the drive at an angle into the PCIe 4.0 x4 slot, press it flat and secure it with the motherboard screw; the step most people miss is enabling the NVMe controller in BIOS so the OS can see the drive.

What maintenance or replacement will the 2TB TLC 3D NAND drive need later?

No routine maintenance is required; the drive is rated for 1200TBW and 1750000 hours MTBF, so replacement is only needed if the endurance limit is reached or a hardware fault occurs.

What limit appears first during sustained heavy writes on this PCIe 4.0 x4 SSD?

The 4.5W maximum operating power ceiling is reached before thermal throttling engages, so sustained write speeds may drop to stay within the power envelope.

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