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Samsung 990 PRO 1TB vs WD WD Black SN850X 2TB

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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)
  • 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 2TB
Performance
Capacity1000 GB2000 GB
InterfacePCIe 4.0 x4PCIe 4.0 x4
Form factorM.2 2280M.2 2280
ProtocolNVMe 2.0NVMe 1.4
Sequential read7,4507,300
Sequential write6,9006,300
Reliability
Endurance (TBW)6001,200
DRAM cacheYesYes
NAND type3D TLC V-NAND3D TLC
Warranty5 years5 years

Ready to buy?

Samsung 990 PRO 1TB

WD WD Black SN850X 2TB

Affiliate disclosure: As an Amazon Associate, PCTalkTalk Compare earns from qualifying purchases. We may also earn a commission from Newegg and B&H Photo Video links, at no extra cost to you.