Verdict

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

ST12000VE003
Seagate SkyHawk AI · 12TB · Surveillance
$579 ($48.25/TB)
WD120EFBX
WD Red Plus · 12TB · NAS
$789 ($65.75/TB)

Value at a glance

Price / TB
ST12000VE003 $48.25
WD120EFBX $22.50
Capacity
ST12000VE003 12 TB
WD120EFBX 12 TB

Price history

US · cheapest per day

ST12000VE003 $579 WD120EFBX $789
zoomed · drag to zoom
$844 $534 $224 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Nov 2026
ST12000VE003 WD120EFBX
Capacity 12 TB 12 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Surveillance NAS
Spindle speed 7200 RPM 7200 RPM
Cache 512 MB 256 MB
Noise (idle) - 24 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $48.25 $22.50
Buy
$579
View at Amazon →
$789
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.

ST12000VE003

No Backblaze failure data for this model.

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

WD120EFBX

No Backblaze failure data for this model.

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