Silicon Power A55 4 TB vs Silicon Power UD85 4 TB

A side-by-side spec comparison of the Silicon Power A55 4 TB and the Silicon Power UD85 4 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 Silicon Power A55 4 TB and Silicon Power UD85 4 TB.
Specification	Silicon Power A55 4 TB $48.97 Buy on Amazon	No image Silicon Power UD85 4 TB No price data Winner
Type	SSD	SSD
Cache	0	0
Capacity	4000 GB	4000 GB
Interface	SATA	NVMe Gen4
Read Speed	550 MB/s	7000 MB/s
Form Factor	2.5"	M.2 2280
Write Speed	520 MB/s	5000 MB/s

Silicon Power A55 4 TB

spec won

Silicon Power UD85 4 TB

specs won

As an Amazon Associate, PlanMyPC earns from qualifying purchases made through links on this page.

Compare more parts

Add a third or fourth storage to this comparison, or build a side-by-side from scratch in the interactive compare tool.

Open in interactive compare tool All Storage