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
€919 (€76.58/TB)
WD121KFBX
WD Red Pro · 12TB · NAS-Pro
€675 (€56.25/TB)

Value at a glance

Price / TB
HAT5300-12T $80.91
WD121KFBX $44.17
Capacity
HAT5300-12T 12 TB
WD121KFBX 12 TB

Price history

FR · cheapest per day

HAT5300-12T €919 WD121KFBX €675
zoomed · drag to zoom
€919 €607 €295 Nov 2024 Apr 2025 Aug 2025 Dec 2025 May 2026 Sep 2026
HAT5300-12T WD121KFBX
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
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $80.91 $44.17
Buy
€919
View at Amazon →
€675
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

WD121KFBX

No Backblaze failure data for this model.

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