Western Digital WD Blue SN580 vs WD Black SN850

vs
Western Digital WD Blue SN580 WD Black SN850
M.2
Form
M.2
PCIe
Interface
PCIe
2000
Storage
2000
4150
Seq. Read Speed
7000
4150
Seq. Write Speed
5100
600
Rand. Read Speed
1000
750
Rand. Write Speed
710
$325.95
Price
$424.99
Prices as of Jun 14, 2026, 22:16 PST and Jun 14, 2026, 12:57 PST - Details
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