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SanDisk

SanDisk WDS800T2X0E-00CDD0 8TB internal SSD

SKU CH-SQPA-3J9K6 MPN WDS800T2X0E-00CDD0

Delivers 7200 MB/s read, 6600 MB/s write, 1200000 IOPS and 4800 TBW in an 8TB M.2 2280 PCIe 4.0 NVMe drive

  • Total capacity8 TB
  • Sequential read speedUp to 7,200 MB/s
  • Sequential write speedUp to 6,600 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factorM.2 2280
  • Random read (4K)Up to 1,200,000 IOPS

Model 8TB SN850X w/o Heatsink

  • Up to 7,300 MB/s sequential read for faster game loads
  • 1,200,000 IOPS random read for responsive multitasking
  • 8 TB capacity stores a large game library
  • PCIe 4.0 x4 NVMe interface enables high throughput
  • 4,800 TBW endurance rating supports heavy write workloads

8TB capacity for gaming and workstations

This 8TB internal SSD uses the M.2 2280 form factor with a PCIe 4.0 x4 NVMe interface. It targets gamers and workstation users who need fast load times and space for large libraries. The drive delivers up to 7300 MBps sequential read and 6600 MBps sequential write speeds.

Upgrade from SATA or PCIe 3.0 drives

The jump is worth it when games exceed 850GB installs or when content creation projects demand sustained throughput. Sequential reads reach 7200 MBps and writes reach 6600 MBps, while random IOPS hit 1200000 for both read and write. An 8GB DRAM cache helps maintain consistent performance under heavy workloads.

8TB headroom with 4800 TBW endurance

The capacity comfortably holds dozens of modern titles and large project files without frequent cleanup. Endurance is rated at 4800 TBW with an MTTF of 1.75M hours. Operating temperatures range from 0°C to 85°C, and the drive tolerates shock up to 1500G. Active power averages 130mW with a maximum of 8W.

How it compares

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

Price $1,128.99
Pricier than about 90% of the 1,994 comparable items (median $180.49).
Total capacity 8 TB
Higher than about 94% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 7,200 MB/s
Higher than about 83% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $141.12 per TB
Cheaper than about 62% 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 lineBlack
Model nameSN850X
Part numberWDS800T2 × 0E
Total capacity8 TB
Intended useConsumer
Performance
Sequential read speedUp to 7,200 MB/s
Sequential write speedUp to 6,600 MB/s
Random read (4K)Up to 1,200,000 IOPS
Random write (4K)Up to 1,200,000 IOPS
Storage
Write endurance4800 TB
Cache memory8 GB DRAM
Connectivity
Connection protocolNVMe
Ports & slots
Interface typePCI-Express 4.0 x4
Power
Active power drawAverage Active Power: 130mW
Maximum Operating Power: 8 W
Idle power drawPlayStation: 5mW
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Overall height3.88 mm
Overall width22 mm
Product depth80 mm
Product weight8.6g
Shipping weight0.07 kg
Package size130 × 102 × 24 mm
Environment & compliance
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
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)
More details
Mean time to failure1.75M Hours

Other versions of this model

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Questions about this item

Will the M.2 2280 form factor fit my motherboard slot?

The drive uses the M.2 2280 form factor, which measures 22 mm wide by 80 mm long. Most modern desktop and laptop motherboards with an M.2 key-M slot accept this size.

What is the correct way to install the NVMe SSD and which step is often missed?

Insert the drive at a 30-degree angle into the PCIe 4.0 x4 slot, press down, and secure it with the motherboard standoff screw. The step many miss is fastening that screw, which keeps the drive firmly seated.

When should I expect to replace the drive based on its endurance rating?

The drive is rated for 4800 TBW and an MTTF of 1.75M hours. Under typical gaming or workstation workloads this translates to many years of service before the NAND reaches its write endurance limit.

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