Verdict

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

ST20000NT001
Seagate IronWolf Pro · 20TB · NAS-Pro
No UK price yet
ST20000VE002
Seagate SkyHawk AI · 20TB · Surveillance
£519 (£25.97/TB)

Value at a glance

Price / TB
ST20000NT001 $33.50
ST20000VE002 $28.73
Capacity
ST20000NT001 20 TB
ST20000VE002 20 TB

Price history · UK, cheapest per day

ST20000NT001 £700 ST20000VE002 £519
zoomed · drag to zoom
£900 £594 £288 Aug 2024 Jan 2025 May 2025 Oct 2025 Mar 2026 Jul 2026
ST20000NT001 ST20000VE002
Capacity 20 TB 20 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class NAS-Pro Surveillance
Spindle speed 7200 RPM 7200 RPM
Cache 256 MB 512 MB
Noise (idle) 28 dB -
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $33.50 $28.73
Buy No UK price yet
£519
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.

ST20000NT001

No Backblaze failure data for this model.

5yr warranty · 300 TB/yr rated · 1,200,000h MTBF

ST20000VE002

No Backblaze failure data for this model.

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