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
€823 (€41.15/TB)
ST20000NT001
Seagate IronWolf Pro · 20TB · NAS-Pro
No DE price yet

Value at a glance

Price / TB
MG10ACA20TE $39.80
ST20000NT001 $33.50
Capacity
MG10ACA20TE 20 TB
ST20000NT001 20 TB
Noise (idle)
MG10ACA20TE 20 dB
ST20000NT001 28 dB

Price history · DE, cheapest per day

MG10ACA20TE €823 ST20000NT001 €799
zoomed · drag to zoom
€856 €587 €318 Jul 2024 Dec 2024 May 2025 Oct 2025 Feb 2026 Jul 2026
MG10ACA20TE ST20000NT001
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 256 MB
Noise (idle) 20 dB 28 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) 0.68% -
Price / TB $39.80 $33.50
Buy
€823
View at Amazon →
No DE 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

0.68% AFR vs 1.34% fleet avg

95% CI 0.56-0.81%

20,451 drives · ~18,013 drive-years · 122 failures · Backblaze thru Q1 2026

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

ST20000NT001

No Backblaze failure data for this model.

5yr warranty · 300 TB/yr rated · 1,200,000h MTBF