Verdict

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

ST16000VE002
Seagate SkyHawk AI · 16TB · Surveillance
C$990 (C$61.87/TB)
WUH721816AL5204
WD Ultrastar DC HC550 · 16TB · Enterprise
No CA price yet

Value at a glance

Capacity
ST16000VE002 16 TB
WUH721816AL5204 16 TB

Price history

CA · cheapest per day

ST16000VE002 C$990
zoomed · drag to zoom
C$990 C$656 C$323 Sep 2024 Feb 2025 Jul 2025 Nov 2025 Apr 2026 Sep 2026
ST16000VE002 WUH721816AL5204
Capacity 16 TB 16 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Surveillance Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 256 MB 512 MB
Noise (idle) - 20 dB
Fill Helium Helium
Interface SATA SAS
Failure rate (AFR) - -
Price / TB $32.92 -
Buy
C$990
View at Amazon →
No CA 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.

ST16000VE002

No Backblaze failure data for this model.

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

WUH721816AL5204

No Backblaze failure data for this model.

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