WD WD Black SN850X 1TB vs WD WD Black SN850X 2TB
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Key differences
- •WD WD Black SN850X 2TB has higher Capacity (2000 GB vs 1000 GB)
- •WD WD Black SN850X 2TB has higher Endurance (TBW) (1,200 vs 600)
Full spec comparison
Spec
WD WD Black SN850X 1TB
WD WD Black SN850X 2TB
Performance
Capacity1000 GB2000 GB▲
InterfacePCIe 4.0 x4PCIe 4.0 x4
Form factorM.2 2280M.2 2280
ProtocolNVMe 1.4NVMe 1.4
Sequential read7,3007,300
Sequential write6,3006,300
Reliability
Endurance (TBW)6001,200▲
DRAM cacheYesYes
NAND type3D TLC3D TLC
Warranty5 years5 years