Verdict

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

WD2005FBYZ
WD Gold · 2TB · Enterprise
€259 (€129.54/TB)
WD20EFPX
WD Red Plus · 2TB · NAS
€218 (€109.15/TB)

Value at a glance

Price / TB
WD2005FBYZ $139.91
WD20EFPX $77.50
Capacity
WD2005FBYZ 2 TB
WD20EFPX 2 TB
Noise (idle)
WD2005FBYZ 20 dB
WD20EFPX 24 dB

Price history · FR, cheapest per day

WD2005FBYZ €259 WD20EFPX €218
zoomed · drag to zoom
€259 €179 €99 Jul 2024 Dec 2024 May 2025 Oct 2025 Feb 2026 Jul 2026
WD2005FBYZ WD20EFPX
Capacity 2 TB 2 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise NAS
Spindle speed 7200 RPM 5400 RPM
Cache 128 MB 128 MB
Noise (idle) 20 dB 24 dB
Fill Air Air
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $139.91 $77.50
Buy
€259
View at Amazon →
€218
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.

WD2005FBYZ

No Backblaze failure data for this model.

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

WD20EFPX

No Backblaze failure data for this model.

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