Seagate Exos X24 SED 20 TB vs Seagate IronWolf NAS 18 TB

A side-by-side spec comparison of the Seagate Exos X24 SED 20 TB and the Seagate IronWolf NAS 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 X24 SED 20 TB and Seagate IronWolf NAS 18 TB.
Specification	Seagate Exos X24 SED 20 TB $799.99 Winner Buy on Amazon	Seagate IronWolf NAS 18 TB $774.45 Buy on Amazon
Type	HDD	HDD
Cache	512	256
Capacity	20000 GB	18000 GB
Interface	SATA	SATA
Read Speed	550 MB/s	550 MB/s
Form Factor	3.5"	3.5"
Write Speed	520 MB/s	520 MB/s

Seagate Exos X24 SED 20 TB

specs won

Seagate IronWolf NAS 18 TB

specs won

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