Synology SAT5200 3.8 TB vs Western Digital SN520 128 GB

A side-by-side spec comparison of the Synology SAT5200 3.8 TB and the Western Digital SN520 128 GB. 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 Synology SAT5200 3.8 TB and Western Digital SN520 128 GB.
Specification	Synology SAT5200 3.8 TB No price data	Western Digital SN520 128 GB $55.00 Winner Buy on Amazon
Type	SSD	SSD
Cache	0	0
Capacity	3840 GB	128 GB
Interface	SATA	NVMe Gen3
Read Speed	550 MB/s	3500 MB/s
Form Factor	2.5"	M.2-2242
Write Speed	520 MB/s	3000 MB/s

Synology SAT5200 3.8 TB

spec won

Western Digital SN520 128 GB

specs won

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