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 FR price yet
WD202KRYZ
WD Gold · 20TB · Enterprise
No FR price yet

Value at a glance

Price / TB
ST20000NT001 $33.50
WD202KRYZ $60.00
Capacity
ST20000NT001 20 TB
WD202KRYZ 20 TB
Noise (idle)
ST20000NT001 28 dB
WD202KRYZ 20 dB

Price history · FR, cheapest per day

ST20000NT001 €799 WD202KRYZ €903
zoomed · drag to zoom
€903 €666 €430 Jul 2024 Dec 2024 Apr 2025 Sep 2025 Feb 2026 Jun 2026
ST20000NT001 WD202KRYZ
Capacity 20 TB 20 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class NAS-Pro Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 256 MB 512 MB
Noise (idle) 28 dB 20 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $33.50 $60.00
Buy No FR price yet No FR 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.

ST20000NT001

No Backblaze failure data for this model.

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

WD202KRYZ

No Backblaze failure data for this model.

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