Western Digital Black AN1500 4 TB vs Western Digital Black SN770 2 TB

A side-by-side spec comparison of the Western Digital Black AN1500 4 TB and the Western Digital Black SN770 2 TB. We line up every specification, highlight the winner of each, and tally an overall verdict so you can decide which storage is right for your build.

Side-by-side specification comparison of Western Digital Black AN1500 4 TB and Western Digital Black SN770 2 TB.
Specification	Western Digital Black AN1500 4 TB $393.54 Buy on Amazon	Western Digital Black SN770 2 TB $414.99 Winner Buy on Amazon
Type	SSD	SSD
Cache	0	0
Capacity	4000 GB	2000 GB
Interface	PCIe x8	NVMe Gen4
Read Speed	550 MB/s	7000 MB/s
Form Factor	PCIe	M.2 2280
Write Speed	520 MB/s	5000 MB/s

Western Digital Black AN1500 4 TB

spec won

Western Digital Black SN770 2 TB

specs won

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