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
$637 ($39.80/TB)
ST16000NT001
Seagate IronWolf Pro · 16TB · NAS-Pro
$580 ($36.25/TB)

Value at a glance

Price / TB
ST16000NM000J $39.80
ST16000NT001 $36.25
Capacity
ST16000NM000J 16 TB
ST16000NT001 16 TB

Price history

US · cheapest per day

ST16000NM000J $637 ST16000NT001 $580
zoomed · drag to zoom
$690 $470 $250 Aug 2024 Jan 2025 Jun 2025 Nov 2025 Mar 2026 Aug 2026
ST16000NM000J ST16000NT001
Capacity 16 TB 16 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise NAS-Pro
Spindle speed 7200 RPM 7200 RPM
Cache 256 MB 256 MB
Noise (idle) - 28 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) 0.17% -
Price / TB $39.80 $36.25
Buy
$637
View at Amazon →
$580
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

ST16000NT001

No Backblaze failure data for this model.

5yr warranty · 300 TB/yr rated · 1,200,000h MTBF