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Samsung 870 QVO 4TB vs WD WD Black SN850X 2TB

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Key differences

  • WD WD Black SN850X 2TB has higher Sequential read (7,300 vs 560)
  • WD WD Black SN850X 2TB has higher Sequential write (6,300 vs 530)
  • Samsung 870 QVO 4TB has higher Capacity (4000 GB vs 2000 GB)
  • WD WD Black SN850X 2TB has higher Warranty (5 years vs 3 years)
  • Samsung 870 QVO 4TB has higher Endurance (TBW) (1,440 vs 1,200)

Full spec comparison

Spec
Samsung 870 QVO 4TB
WD WD Black SN850X 2TB
Performance
Capacity4000 GB2000 GB
InterfaceSATA IIIPCIe 4.0 x4
Form factor2.5-inchM.2 2280
ProtocolAHCINVMe 1.4
Sequential read5607,300
Sequential write5306,300
Reliability
Endurance (TBW)1,4401,200
DRAM cacheYesYes
NAND typeQLC V-NAND3D TLC
Warranty3 years5 years

Ready to buy?

Samsung 870 QVO 4TB

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.