Verdict

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

WD2002FFSX
WD Red Pro · 2TB · NAS-Pro
No CA price yet
WD2005FBYZ
WD Gold · 2TB · Enterprise
No CA price yet

Value at a glance

Price / TB
WD2002FFSX $102.60
WD2005FBYZ $129.60
Capacity
WD2002FFSX 2 TB
WD2005FBYZ 2 TB
Noise (idle)
WD2002FFSX 20 dB
WD2005FBYZ 20 dB

Price history · CA, cheapest per day

WD2005FBYZ C$291
zoomed · drag to zoom
C$299 C$216 C$133 Aug 2024 Nov 2024 Feb 2025 May 2025 Aug 2025 Nov 2025
WD2002FFSX WD2005FBYZ
Capacity 2 TB 2 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class NAS-Pro Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 64 MB 128 MB
Noise (idle) 20 dB 20 dB
Fill Air Air
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $102.60 $129.60
Buy No CA price yet No CA price yet

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.

WD2002FFSX

No Backblaze failure data for this model.

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

WD2005FBYZ

No Backblaze failure data for this model.

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