Verdict

These are closely matched NAS drives of the same capacity - decide on price and warranty. Check the live $/TB above.

MG09ACA16TE
Toshiba MG09 · 16TB · Enterprise
No DE price yet
ST16000NM000J
Seagate Exos X18 · 16TB · Enterprise
No DE price yet

Value at a glance

Price / TB
MG09ACA16TE $50.62
ST16000NM000J $39.80
Failure rate (AFR)
MG09ACA16TE 1.46%
ST16000NM000J 0.17%
Capacity
MG09ACA16TE 16 TB
ST16000NM000J 16 TB

Price history

DE · cheapest per day

MG09ACA16TE €874 ST16000NM000J €389
zoomed · drag to zoom
€874 €589 €305 May 2025 Aug 2025 Nov 2025 Feb 2026 May 2026 Jul 2026
MG09ACA16TE ST16000NM000J
Capacity 16 TB 16 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 512 MB 256 MB
Noise (idle) 20 dB -
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) 1.46% 0.17%
Price / TB $50.62 $39.80
Buy No DE price yet 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.

MG09ACA16TE

1.46% AFR vs 1.34% fleet avg

95% CI 0.39-3.73%

506 drives · ~275 drive-years · 4 failures · Backblaze thru Q1 2026

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

ST16000NM000J

0.17% AFR vs 1.34% fleet avg

95% CI 0.00-0.96%

466 drives · ~577 drive-years · 1 failures · Backblaze thru Q1 2026

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

Heads up: these drives' 95% failure-rate intervals overlap, so the AFR gap between them is within statistical noise - treat them as equally reliable and decide on price, warranty and noise instead.