Verdict

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

ST2000NT001 ST2000VX017
Capacity 2 TB 2 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class NAS-Pro Surveillance
Spindle speed 7200 RPM 5400 RPM
Cache 256 MB 256 MB
Noise (idle) 28 dB 26 dB
Fill Air Air
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $95.25 $43.15

Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB shows once live prices are wired.