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
£736 (£36.80/TB)
MG10SCA20TE
Toshiba MG10 · 20TB · Enterprise
No UK price yet

Value at a glance

Capacity
MG10ACA20TE 20 TB
MG10SCA20TE 20 TB
Noise (idle)
MG10ACA20TE 20 dB
MG10SCA20TE 20 dB

Price history

UK · cheapest per day

MG10ACA20TE £736
zoomed · drag to zoom
£736 £515 £295 Sep 2024 Feb 2025 Jul 2025 Nov 2025 Apr 2026 Sep 2026
MG10ACA20TE MG10SCA20TE
Capacity 20 TB 20 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 512 MB 512 MB
Noise (idle) 20 dB 20 dB
Fill Helium Helium
Interface SATA SAS
Failure rate (AFR) 0.78% -
Price / TB $40.00 -
Buy
£736
View at Amazon →
No UK 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

0.78% AFR vs 1.41% fleet avg

95% CI 0.67-0.90%

25,171 drives · ~23,814 drive-years · 186 failures · Backblaze thru Q2 2026

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

MG10SCA20TE

No Backblaze failure data for this model.

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