SanDisk Extreme II 120 GB vs SanDisk Optimus GX PRO 850X 4 TB

A side-by-side spec comparison of the SanDisk Extreme II 120 GB and the SanDisk Optimus GX PRO 850X 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 SanDisk Extreme II 120 GB and SanDisk Optimus GX PRO 850X 4 TB.
Specification	SanDisk Extreme II 120 GB $51.60 Buy on Amazon	No image SanDisk Optimus GX PRO 850X 4 TB No price data Winner
Type	SSD	SSD
Cache	0	0
Capacity	120 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

SanDisk Extreme II 120 GB

specs won

SanDisk Optimus GX PRO 850X 4 TB

specs won

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