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 UK price yet
ST16000NM001G
Seagate Exos X16 · 16TB · Enterprise
No UK price yet

Value at a glance

Price / TB
MG09ACA16TE $50.62
ST16000NM001G $44.70
Failure rate (AFR)
MG09ACA16TE 1.30%
ST16000NM001G 0.55%
Capacity
MG09ACA16TE 16 TB
ST16000NM001G 16 TB
Noise (idle)
MG09ACA16TE 20 dB
ST16000NM001G 29 dB

Price history

UK · cheapest per day

MG09ACA16TE £635
zoomed · drag to zoom
£1,048 £659 £270 May 2025 Aug 2025 Nov 2025 Feb 2026 Jun 2026 Sep 2026
MG09ACA16TE ST16000NM001G
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 29 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) 1.30% 0.55%
Price / TB $50.62 $44.70
Buy No UK price yet 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.

MG09ACA16TE

1.30% AFR vs 1.41% fleet avg

95% CI 0.47-2.82%

893 drives · ~462 drive-years · 6 failures · Backblaze thru Q2 2026

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

ST16000NM001G

0.55% AFR vs 1.41% fleet avg

95% CI 0.49-0.62%

34,998 drives · ~51,074 drive-years · 283 failures · Backblaze thru Q2 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.