RPM: WD8001FZBX lists 7200; WD80EAAZ lists 5640.
Manufacturer limited warranty: WD8001FZBX lists 5 years (eligible new drives); WD80EAAZ lists 2 years (eligible new drives).
Sustained transfer (up to MB/s): WD8001FZBX lists 263; WD80EAAZ lists 215.

A larger cache, higher RPM or higher advertised sequential speed alone does not establish which drive is better for your workload.

Specifications side by side

Show differences only

Manufacturer specifications for WD8001FZBX and WD80EAAZ
Specification	WD8001FZBX	WD80EAAZ
Manufacturer	Western Digital	Western Digital
Product family	WD_BLACK	WD Blue
Model number	WD8001FZBX	WD80EAAZ
Capacity (TB)	8	8
RPM	7200	5640
Interface	SATA 6Gb/s	SATA 6Gb/s
Recording	CMR	CMR
Cache (MB)	256	256
Form factor	3.5-inch	3.5-inch
Manufacturer limited warranty	5 years (eligible new drives)	2 years (eligible new drives)
Sustained transfer (up to MB/s)	263	215
Physical sector size (bytes)	Not recorded	4096

Compatibility and buying checks

Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.

Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.

Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.