HDWG31G vs ST14000NM001G
NAS drive head-to-head - specs, value and live price side by side.
Verdict
These are comparable NAS drives. The HDWG31G offers the most capacity (16TB), so it's the better value if you need the space; otherwise they're closely matched - decide on the live $/TB above.
Value at a glance
Price / TB
HDWG31G
$39.21
ST14000NM001G
$34.71
Capacity
HDWG31G
16 TB
ST14000NM001G
14 TB
Noise (idle)
HDWG31G
20 dB
ST14000NM001G
29 dB
Price history
IT · cheapest per day
HDWG31G €695
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| HDWG31G | ST14000NM001G | |
|---|---|---|
| Capacity | 16 TB | 14 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) | - | 1.28% |
| Price / TB | $39.21 | $34.71 |
| 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.
HDWG31G
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF
ST14000NM001G
1.28% AFR vs 1.41% fleet avg
95% CI 1.11-1.47%
10,455 drives · ~15,735 drive-years · 202 failures · Backblaze thru Q2 2026
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF