Verdict

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

ST22000NM001E
Seagate Exos X22 · 22TB · Enterprise
€660 (€30.00/TB)
WD221KRYZ
WD Gold · 22TB · Enterprise
€1,231 (€55.97/TB)

Value at a glance

Price / TB
ST22000NM001E $32.40
WD221KRYZ $43.13
Capacity
ST22000NM001E 22 TB
WD221KRYZ 22 TB
Noise (idle)
ST22000NM001E 29 dB
WD221KRYZ 20 dB

Price history · FR, cheapest per day

ST22000NM001E €660 WD221KRYZ €1,231
zoomed · drag to zoom
€1,235 €777 €320 Jul 2024 Dec 2024 May 2025 Oct 2025 Feb 2026 Jul 2026
ST22000NM001E WD221KRYZ
Capacity 22 TB 22 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 512 MB 512 MB
Noise (idle) 29 dB 20 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $32.40 $43.13
Buy
€660
View at Amazon →
€1,231
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.

ST22000NM001E

No Backblaze failure data for this model.

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

WD221KRYZ

No Backblaze failure data for this model.

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