WD WD Black SN770 2TB vs WD WD Black SN850X 2TB
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Key differences
- •WD WD Black SN850X 2TB has higher Sequential read (7,300 vs 5,150)
- •WD WD Black SN850X 2TB has higher Sequential write (6,300 vs 4,900)
Full spec comparison
Spec
WD WD Black SN770 2TB
WD WD Black SN850X 2TB
Performance
Capacity2000 GB2000 GB
InterfacePCIe 4.0 x4PCIe 4.0 x4
Form factorM.2 2280M.2 2280
ProtocolNVMe 1.4NVMe 1.4
Sequential read5,1507,300▲
Sequential write4,9006,300▲
Reliability
Endurance (TBW)1,2001,200
DRAM cacheNoYes
NAND type3D TLC3D TLC
Warranty5 years5 years