Interface: HDWR71AUZSVA lists SATA 6 Gb/s; WD101FZBX lists SATA 6Gb/s.
Manufacturer limited warranty: HDWR71AUZSVA lists 2 years (eligible new drives); WD101FZBX lists 5 years (eligible new drives).

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 HDWR71AUZSVA and WD101FZBX
Specification	HDWR71AUZSVA	WD101FZBX
Manufacturer	Toshiba	Western Digital
Product family	X300	WD_BLACK
Model number	HDWR71AUZSVA	WD101FZBX
Capacity (TB)	10	10
RPM	7200	7200
Interface	SATA 6 Gb/s	SATA 6Gb/s
Form factor	3.5-inch	3.5-inch
Package / region	Bulk / EMEA	Not recorded
Manufacturer limited warranty	2 years (eligible new drives)	5 years (eligible new drives)
Recording	Not recorded	CMR
Cache (MB)	Not recorded	256
Sustained transfer (up to MB/s)	Not recorded	263

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.