RPM: ST8000VN0022 lists 7200; WD80EFZZ lists 5640.
Interface: ST8000VN0022 lists SATA 6 Gb/s; WD80EFZZ lists SATA 6Gb/s.
Cache (MB): ST8000VN0022 lists 256; WD80EFZZ lists 128.
Sustained transfer (up to MB/s): ST8000VN0022 lists 210; WD80EFZZ lists 185.

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 ST8000VN0022 and WD80EFZZ
Specification	ST8000VN0022	WD80EFZZ
Manufacturer	Seagate	Western Digital
Product family	IronWolf	WD Red Plus
Model number	ST8000VN0022	WD80EFZZ
Capacity (TB)	8	8
RPM	7200	5640
Interface	SATA 6 Gb/s	SATA 6Gb/s
Cache (MB)	256	128
Form factor	3.5-inch	3.5-inch
Power-on hours per year	8760	Not recorded
Workload rating (TB/year)	180	180
Average operating power (W)	8.8	Not recorded
Rotational vibration sensors	Yes	Not recorded
Manufacturer limited warranty	3 years (eligible new drives)	3 years (eligible new drives)
Sustained transfer (up to MB/s)	210	185
NAS bays	Not recorded	8
Recording	Not recorded	CMR
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 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.

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