Verdict

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

MG10ACA20TE
Toshiba MG10 · 20TB · Enterprise
$1,089 ($54.45/TB)
WD201KFGX
WD Red Pro · 20TB · NAS-Pro
No US price yet

Value at a glance

Price / TB
MG10ACA20TE $46.76
WD201KFGX $40.53
Capacity
MG10ACA20TE 20 TB
WD201KFGX 20 TB
Noise (idle)
MG10ACA20TE 20 dB
WD201KFGX 20 dB

Price history

US · cheapest per day

MG10ACA20TE $1,089 WD201KFGX $1,200
zoomed · drag to zoom
$1,271 $793 $315 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Nov 2026
MG10ACA20TE WD201KFGX
Capacity 20 TB 20 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise NAS-Pro
Spindle speed 7200 RPM 7200 RPM
Cache 512 MB 512 MB
Noise (idle) 20 dB 20 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) 0.79% -
Price / TB $46.76 $40.53
Buy
$1,089
View at Amazon →
No US 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.

MG10ACA20TE

0.79% AFR vs 1.41% fleet avg

95% CI 0.69-0.91%

25,270 drives · ~25,546 drive-years · 202 failures · Backblaze lifetime Q2 2026

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

WD201KFGX

No Backblaze failure data for this model.

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