Verdict

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

ST4000NT001
Seagate IronWolf Pro · 4TB · NAS-Pro
€259 (€64.85/TB)
WD4004FRYZ
WD Gold · 4TB · Enterprise
€324 (€80.98/TB)

Value at a glance

Price / TB
ST4000NT001 $58.74
WD4004FRYZ $35.07
Capacity
ST4000NT001 4 TB
WD4004FRYZ 4 TB
Noise (idle)
ST4000NT001 28 dB
WD4004FRYZ 20 dB

Price history · DE, cheapest per day

ST4000NT001 €259 WD4004FRYZ €324
zoomed · drag to zoom
€392 €258 €125 Feb 2025 May 2025 Sep 2025 Dec 2025 Apr 2026 Jul 2026
ST4000NT001 WD4004FRYZ
Capacity 4 TB 4 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class NAS-Pro Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 256 MB 256 MB
Noise (idle) 28 dB 20 dB
Fill Air Air
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $58.74 $35.07
Buy
€259
View at Amazon →
€324
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.

ST4000NT001

No Backblaze failure data for this model.

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

WD4004FRYZ

No Backblaze failure data for this model.

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