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)
ST20000VE002
Seagate SkyHawk AI · 20TB · Surveillance
No US price yet

Value at a glance

Capacity
MG10ACA20TE 20 TB
ST20000VE002 20 TB

Price history

US · cheapest per day

MG10ACA20TE $1,089 ST20000VE002 $1,099
zoomed · drag to zoom
$1,132 $723 $315 Oct 2024 Mar 2025 Aug 2025 Jan 2026 May 2026 Oct 2026
MG10ACA20TE ST20000VE002
Capacity 20 TB 20 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise Surveillance
Spindle speed 7200 RPM 7200 RPM
Cache 512 MB 512 MB
Noise (idle) 20 dB -
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) 0.79% -
Price / TB $46.76 -
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

ST20000VE002

No Backblaze failure data for this model.

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