WD WD Black SN850X 2TB vs WD WD Red SN700 1TB
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Key differences
- •WD WD Black SN850X 2TB has higher Sequential read (7,300 vs 3,430)
- •WD WD Black SN850X 2TB has higher Sequential write (6,300 vs 3,000)
- •WD WD Black SN850X 2TB has higher Capacity (2000 GB vs 1000 GB)
- •WD WD Red SN700 1TB has higher Endurance (TBW) (2,000 vs 1,200)
Full spec comparison
Spec
WD WD Black SN850X 2TB
WD WD Red SN700 1TB
Performance
Capacity2000 GB▲1000 GB
InterfacePCIe 4.0 x4PCIe 3.0 x4
Form factorM.2 2280M.2 2280
ProtocolNVMe 1.4NVMe 1.3
Sequential read7,300▲3,430
Sequential write6,300▲3,000
Reliability
Endurance (TBW)1,2002,000▲
DRAM cacheYesYes
NAND type3D TLC3D TLC
Warranty5 years5 years