WD WD Black SN850X 2TB vs WD WD Blue SN580 1TB
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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)
- •WD WD Black SN850X 2TB has higher Sequential read (7,300 vs 4,150)
- •WD WD Black SN850X 2TB has higher Sequential write (6,300 vs 4,150)
Full spec comparison
Spec
WD WD Black SN850X 2TB
WD WD Blue SN580 1TB
Performance
Capacity2000 GB▲1000 GB
InterfacePCIe 4.0 x4PCIe 4.0 x4
Form factorM.2 2280M.2 2280
ProtocolNVMe 1.4NVMe 1.4
Sequential read7,300▲4,150
Sequential write6,300▲4,150
Reliability
Endurance (TBW)1,200▲600
DRAM cacheYesNo
NAND type3D TLC3D TLC
Warranty5 years5 years