Verdict

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

HAT5300-12T
Synology Enterprise Series · 12TB · Enterprise
No FR price yet
HUH721212ALE604
WD Ultrastar DC HC520 · 12TB · Enterprise
€810 (€67.49/TB)

Value at a glance

Capacity
HAT5300-12T 12 TB
HUH721212ALE604 12 TB

Price history · FR, cheapest per day

HUH721212ALE604 €810
zoomed · drag to zoom
€810 €562 €315 Aug 2024 Dec 2024 May 2025 Oct 2025 Mar 2026 Aug 2026
HAT5300-12T HUH721212ALE604
Capacity 12 TB 12 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 256 MB 256 MB
Noise (idle) - 20 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - 2.98%
Price / TB - $29.08
Buy No FR price yet
€810
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.

HAT5300-12T

No Backblaze failure data for this model.

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

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