Verdict

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

HAT3310-16T
Synology Plus Series · 16TB · NAS
No IT price yet
ST16000NM000J
Seagate Exos X18 · 16TB · Enterprise
No IT price yet

Value at a glance

Capacity
HAT3310-16T 16 TB
ST16000NM000J 16 TB
HAT3310-16T ST16000NM000J
Capacity 16 TB 16 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class NAS 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) - 0.17%
Price / TB - $39.80
Buy No IT price yet No IT 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.

HAT3310-16T

No Backblaze failure data for this model.

3yr warranty · 180 TB/yr rated · 1,200,000h 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