Samsung 990 PRO 2TB vs WD WD Black SN770 2TB
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Key differences
- •Samsung 990 PRO 2TB has higher Sequential read (7,450 vs 5,150)
- •Samsung 990 PRO 2TB has higher Sequential write (6,900 vs 4,900)
Full spec comparison
Spec
Samsung 990 PRO 2TB
WD WD Black SN770 2TB
Performance
Capacity2000 GB2000 GB
InterfacePCIe 4.0 x4PCIe 4.0 x4
Form factorM.2 2280M.2 2280
ProtocolNVMe 2.0NVMe 1.4
Sequential read7,450▲5,150
Sequential write6,900▲4,900
Reliability
Endurance (TBW)1,2001,200
DRAM cacheYesNo
NAND type3D TLC V-NAND3D TLC
Warranty5 years5 years