Seagate Exos X16 16 TB vs Seagate Exos X18 18 TB

A side-by-side spec comparison of the Seagate Exos X16 16 TB and the Seagate Exos X18 18 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 Seagate Exos X16 16 TB and Seagate Exos X18 18 TB.
Specification	Seagate Exos X16 16 TB $694.45 Winner Buy on Amazon	Seagate Exos X18 18 TB $699.45 Buy on Amazon
Type	HDD	HDD
Cache	256	256
Capacity	16000 GB	18000 GB
Interface	SATA	SAS 12.0 Gb/s
Read Speed	550 MB/s	550 MB/s
Form Factor	3.5"	3.5"
Write Speed	520 MB/s	520 MB/s

Seagate Exos X16 16 TB

specs won

Seagate Exos X18 18 TB

spec won

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