Verdict

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

HUH721212ALE604
WD Ultrastar DC HC520 · 12TB · Enterprise
C$699 (C$58.25/TB)
ST12000NT001
Seagate IronWolf Pro · 12TB · NAS-Pro
C$635 (C$52.92/TB)

Value at a glance

Price / TB
HUH721212ALE604 $29.08
ST12000NT001 $38.33
Capacity
HUH721212ALE604 12 TB
ST12000NT001 12 TB
Noise (idle)
HUH721212ALE604 20 dB
ST12000NT001 28 dB

Price history · CA, cheapest per day

HUH721212ALE604 C$699 ST12000NT001 C$635
zoomed · drag to zoom
C$885 C$587 C$290 Aug 2024 Dec 2024 May 2025 Oct 2025 Mar 2026 Aug 2026
HUH721212ALE604 ST12000NT001
Capacity 12 TB 12 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise NAS-Pro
Spindle speed 7200 RPM 7200 RPM
Cache 256 MB 256 MB
Noise (idle) 20 dB 28 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) 2.98% -
Price / TB $29.08 $38.33
Buy
C$699
View at Amazon →
C$635
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.

HUH721212ALE604

2.98% AFR vs 1.34% fleet avg

95% CI 2.79-3.17%

25,665 drives · ~32,114 drive-years · 957 failures · Backblaze thru Q1 2026

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

ST12000NT001

No Backblaze failure data for this model.

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