Western Digital
WD Black SN850X 2TB NVMe SSD
SSDs
87Points
Spec score
Scored 87 of 100 in ssds.
Sourced from manufacturer datasheets and verified against retailer spec tables. Read the methodology →
- SPEED50/100
- IOPS0/100
- CAPACITY25/100
- ENDURANCE20/100
- DESIGN63/100
87Points
5-axis distribution · scored 0–100 per category
Why is the Western Digital WD Black SN850X 2TB NVMe SSD better than average?
TBW
1200 TBW vs 1267.73 TBW avg
Mtbf
1750000 hours vs 1675000 hours avg
PCIE lanes
4 vs 4 avg
Capacity
2000 GB vs 2042.73 GB avg
Dram cache
2048 MB vs 2816 MB avg
Seq read
7300 MB/s vs 7235.76 MB/s avg
Full specifications
The complete spec sheet.
Sourced from the Western Digital datasheet and verified against retailer-published spec tables.
Capacity and interface
Capacity2000 GBavg 2042.73 GB
Form factorM.2 2280
InterfaceNVMe
PCIE generationPCIe 4.0
PCIE lanes4avg 4
Sequential performance
Seq read7300 MB/savg 7235.76 MB/s
Seq write6600 MB/savg 5862.29 MB/s
Random performance
Random read iops1200000avg 1465000
Random write iops1100000avg 1565000
Controller and NAND
ControllerSanDisk proprietary
Nand typeBiCS5 (112-layer) 3-bit TLC
Dram cacheYes
Dram cache2048 MBavg 2816 MB
Hmb supportNo
Endurance and reliability
TBW1200 TBWavg 1267.73 TBW
Mtbf1750000 hoursavg 1675000 hours
Warranty5 yearsavg 4.65 years
Features
EncryptionAES 256-bit
Trim supportYes
Smart supportYes
Heatsink includedNo
Ps5 compatibleYes
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