Samsung 870 QVO 4TB vs Samsung 990 PRO 2TB
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Key differences
- •Samsung 990 PRO 2TB has higher Sequential read (7,450 vs 560)
- •Samsung 990 PRO 2TB has higher Sequential write (6,900 vs 530)
- •Samsung 870 QVO 4TB has higher Capacity (4000 GB vs 2000 GB)
- •Samsung 990 PRO 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
Samsung 990 PRO 2TB
Performance
Capacity4000 GB▲2000 GB
InterfaceSATA IIIPCIe 4.0 x4
Form factor2.5-inchM.2 2280
ProtocolAHCINVMe 2.0
Sequential read5607,450▲
Sequential write5306,900▲
Reliability
Endurance (TBW)1,440▲1,200
DRAM cacheYesYes
NAND typeQLC V-NAND3D TLC V-NAND
Warranty3 years5 years▲