Verdict

These are closely matched NAS drives of the same capacity - decide on price and warranty. Check the live $/TB above.

ST6000VX009
Seagate SkyHawk · 6TB · Surveillance
£250 (£41.67/TB)
WD6004FRYZ
WD Gold · 6TB · Enterprise
£448 (£74.75/TB)

Value at a glance

Price / TB
ST6000VX009 $44.82
WD6004FRYZ $55.98
Capacity
ST6000VX009 6 TB
WD6004FRYZ 6 TB
Noise (idle)
ST6000VX009 26 dB
WD6004FRYZ 20 dB

Price history · UK, cheapest per day

ST6000VX009 £250 WD6004FRYZ £448
zoomed · drag to zoom
£448 £288 £128 Jul 2024 Dec 2024 May 2025 Oct 2025 Feb 2026 Jul 2026
ST6000VX009 WD6004FRYZ
Capacity 6 TB 6 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Surveillance Enterprise
Spindle speed 5400 RPM 7200 RPM
Cache 256 MB 256 MB
Noise (idle) 26 dB 20 dB
Fill Air Air
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $44.82 $55.98
Buy
£250
View at Amazon →
£448
View at Amazon →

Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB uses the cheapest live price. Buy links are Amazon affiliate.

ST6000VX009

No Backblaze failure data for this model.

3yr warranty · 180 TB/yr rated · 1,000,000h MTBF

WD6004FRYZ

No Backblaze failure data for this model.

5yr warranty · 550 TB/yr rated · 2,500,000h MTBF