Verdict

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

ST20000VE002
Seagate SkyHawk AI · 20TB · Surveillance
€635 (€31.74/TB)
WD202KRYZ
WD Gold · 20TB · Enterprise
No IT price yet

Value at a glance

Price / TB
ST20000VE002 $28.73
WD202KRYZ $48.60
Capacity
ST20000VE002 20 TB
WD202KRYZ 20 TB

Price history · IT, cheapest per day

ST20000VE002 €635 WD202KRYZ €900
zoomed · drag to zoom
€1,131 €751 €371 Aug 2024 Dec 2024 May 2025 Oct 2025 Mar 2026 Aug 2026
ST20000VE002 WD202KRYZ
Capacity 20 TB 20 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Surveillance Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 512 MB 512 MB
Noise (idle) - 20 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $28.73 $48.60
Buy
€635
View at Amazon →
No IT price yet

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.

ST20000VE002

No Backblaze failure data for this model.

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

WD202KRYZ

No Backblaze failure data for this model.

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