Verdict

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

HDWG51G
Toshiba N300 · 16TB · NAS
No CA price yet
ST16000NM001G
Seagate Exos X16 · 16TB · Enterprise
No CA price yet

Value at a glance

Price / TB
HDWG51G $40.25
ST16000NM001G $29.69
Capacity
HDWG51G 16 TB
ST16000NM001G 16 TB
Noise (idle)
HDWG51G 20 dB
ST16000NM001G 29 dB

Price history · CA, cheapest per day

HDWG51G C$825 ST16000NM001G C$1,029
zoomed · drag to zoom
C$1,106 C$855 C$605 Feb 2025 Jun 2025 Sep 2025 Dec 2025 Mar 2026 Jul 2026
HDWG51G ST16000NM001G
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 29 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - 0.53%
Price / TB $40.25 $29.69
Buy No CA price yet 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.

HDWG51G

No Backblaze failure data for this model.

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

ST16000NM001G

0.53% AFR vs 1.34% fleet avg

95% CI 0.47-0.61%

34,729 drives · ~42,410 drive-years · 226 failures · Backblaze thru Q1 2026

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