Verdict

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

ST16000NM000J
Seagate Exos X18 · 16TB · Enterprise
No UK price yet
ST16000NM002G
Seagate Exos X16 · 16TB · Enterprise
£550 (£34.38/TB)

Value at a glance

Price / TB
ST16000NM000J $39.80
ST16000NM002G $42.81
Capacity
ST16000NM000J 16 TB
ST16000NM002G 16 TB

Price history

UK · cheapest per day

ST16000NM000J £490 ST16000NM002G £550
zoomed · drag to zoom
£565 £373 £182 Aug 2024 Jan 2025 Jun 2025 Nov 2025 Mar 2026 Aug 2026
ST16000NM000J ST16000NM002G
Capacity 16 TB 16 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) - 29 dB
Fill Helium Helium
Interface SATA SAS
Failure rate (AFR) 0.17% -
Price / TB $39.80 $42.81
Buy No UK price yet
£550
View at Amazon →

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.

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

ST16000NM002G

No Backblaze failure data for this model.

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