Verdict

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

HAT3300-4T
Synology Plus Series · 4TB · NAS
€280 (€70.00/TB)
WD4005FFBX
WD Red Pro · 4TB · NAS-Pro
€209 (€52.27/TB)

Value at a glance

Price / TB
HAT3300-4T $71.44
WD4005FFBX $53.73
Capacity
HAT3300-4T 4 TB
WD4005FFBX 4 TB
Noise (idle)
HAT3300-4T 23 dB
WD4005FFBX 20 dB

Price history

IT · cheapest per day

HAT3300-4T €280 WD4005FFBX €209
zoomed · drag to zoom
€376 €250 €124 Sep 2024 Feb 2025 Jul 2025 Nov 2025 Apr 2026 Sep 2026
HAT3300-4T WD4005FFBX
Capacity 4 TB 4 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class NAS NAS-Pro
Spindle speed 5400 RPM 7200 RPM
Cache 256 MB 256 MB
Noise (idle) 23 dB 20 dB
Fill Air Air
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $71.44 $53.73
Buy
€280
View at Amazon →
€209
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.

HAT3300-4T

No Backblaze failure data for this model.

3yr warranty · 180 TB/yr rated · 1,200,000h MTBF

WD4005FFBX

No Backblaze failure data for this model.

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