Samsung 990 EVO 1TB vs WD WD Black SN850X 1TB
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Key differences
- •WD WD Black SN850X 1TB has higher Sequential write (6,300 vs 4,200)
- •WD WD Black SN850X 1TB has higher Sequential read (7,300 vs 5,000)
Full spec comparison
Spec
Samsung 990 EVO 1TB
WD WD Black SN850X 1TB
Performance
Capacity1000 GB1000 GB
InterfacePCIe 4.0 x4 / 5.0 x2PCIe 4.0 x4
Form factorM.2 2280M.2 2280
ProtocolNVMe 2.0NVMe 1.4
Sequential read5,0007,300▲
Sequential write4,2006,300▲
Reliability
Endurance (TBW)600600
DRAM cacheNoYes
NAND type3D TLC V-NAND3D TLC
Warranty5 years5 years