Verdict

All are CMR NAS drives. The MG11ACA24TE has the lowest measured failure rate (0.42% AFR), making it the safer long-term choice.

MG11ACA24TE
Toshiba MG11 · 24TB · Enterprise
€997 (€41.54/TB)
ST24000NM002H
Seagate Exos X24 · 24TB · Enterprise
€965 (€40.20/TB)

Value at a glance

Price / TB
MG11ACA24TE $41.42
ST24000NM002H $40.00
Failure rate (AFR)
MG11ACA24TE 0.42%
ST24000NM002H 2.91%
Capacity
MG11ACA24TE 24 TB
ST24000NM002H 24 TB
Noise (idle)
MG11ACA24TE 20 dB
ST24000NM002H 30 dB

Price history · DE, cheapest per day

MG11ACA24TE €997 ST24000NM002H €965
zoomed · drag to zoom
€997 €698 €398 Mar 2025 Jul 2025 Oct 2025 Jan 2026 Apr 2026 Jul 2026
MG11ACA24TE ST24000NM002H
Capacity 24 TB 24 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 30 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) 0.42% 2.91%
Price / TB $41.42 $40.00
Buy
€997
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€965
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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.

MG11ACA24TE

0.42% AFR vs 1.34% fleet avg

95% CI 0.20-0.77%

7,203 drives · ~2,382 drive-years · 10 failures · Backblaze thru Q1 2026

ST24000NM002H

2.91% AFR vs 1.34% fleet avg

95% CI 2.54-3.32%

9,605 drives · ~7,565 drive-years · 220 failures · Backblaze thru Q1 2026

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