Verdict

All are CMR NAS drives. The MG07ACA14TE has the lowest measured failure rate (1.16% AFR), making it the safer long-term choice.

MG07ACA14TE
Toshiba MG07 · 14TB · Enterprise
$500 ($35.71/TB)
ST14000NM0018
Seagate Exos X14 · 14TB · Enterprise
No US price yet

Value at a glance

Failure rate (AFR)
MG07ACA14TE 1.16%
ST14000NM0018 5.23%
Capacity
MG07ACA14TE 14 TB
ST14000NM0018 14 TB

Price history

US · cheapest per day

MG07ACA14TE $500
zoomed · drag to zoom
$1,090 $639 $189 Aug 2024 Jan 2025 Jun 2025 Nov 2025 Mar 2026 Aug 2026
MG07ACA14TE ST14000NM0018
Capacity 14 TB 14 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 256 MB 256 MB
Noise (idle) 20 dB -
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) 1.16% 5.23%
Price / TB $30.85 -
Buy
$500
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.

MG07ACA14TE

1.16% AFR vs 1.34% fleet avg

95% CI 1.06-1.26%

38,259 drives · ~47,703 drive-years · 551 failures · Backblaze thru Q1 2026

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

ST14000NM0018

5.23% AFR vs 1.34% fleet avg

95% CI 4.17-6.49%

1,251 drives · ~1,586 drive-years · 83 failures · Backblaze thru Q1 2026