Seagate BarraCuda 4TB (3.5") vs WD WD Black SN850X 2TB
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Key differences
- •WD WD Black SN850X 2TB has higher Sequential read (7,300 vs 190)
- •WD WD Black SN850X 2TB has higher Sequential write (6,300 vs 190)
- •WD WD Black SN850X 2TB has higher Warranty (5 years vs 2 years)
- •Seagate BarraCuda 4TB (3.5") has higher Capacity (4000 GB vs 2000 GB)
Full spec comparison
Spec
Seagate BarraCuda 4TB (3.5")
WD WD Black SN850X 2TB
Performance
Capacity4000 GB▲2000 GB
InterfaceSATA 6Gb/sPCIe 4.0 x4
Form factor3.5"M.2 2280
ProtocolAHCINVMe 1.4
Sequential read1907,300▲
Sequential write1906,300▲
Reliability
Endurance (TBW)—1,200
DRAM cacheYesYes
NAND typeCMR HDD3D TLC
Warranty2 years5 years▲