Samsung 990 PRO 1TB vs WD WD Black SN850X 500GB
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Key differences
- •Samsung 990 PRO 1TB has higher Capacity (1000 GB vs 500 GB)
- •Samsung 990 PRO 1TB has higher Endurance (TBW) (600 vs 300)
- •Samsung 990 PRO 1TB has higher Sequential write (6,900 vs 6,300)
- •Samsung 990 PRO 1TB has higher Sequential read (7,450 vs 7,300)
Full spec comparison
Spec
Samsung 990 PRO 1TB
WD WD Black SN850X 500GB
Performance
Capacity1000 GB▲500 GB
InterfacePCIe 4.0 x4PCIe 4.0 x4
Form factorM.2 2280M.2 2280
ProtocolNVMe 2.0NVMe 1.4
Sequential read7,450▲7,300
Sequential write6,900▲6,300
Reliability
Endurance (TBW)600▲300
DRAM cacheYesYes
NAND type3D TLC V-NAND3D TLC
Warranty5 years5 years