HDWG31G vs MG09ACA16TE
NAS drive head-to-head - specs, value and live price side by side.
Verdict
These are closely matched NAS drives of the same capacity - decide on price and warranty. Check the live $/TB above.
Value at a glance
Price / TB
HDWG31G
$39.21
MG09ACA16TE
$50.62
Capacity
HDWG31G
16 TB
MG09ACA16TE
16 TB
Noise (idle)
HDWG31G
20 dB
MG09ACA16TE
20 dB
Price history
US · cheapest per day
HDWG31G $675
MG09ACA16TE $810
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| HDWG31G | MG09ACA16TE | |
|---|---|---|
| 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 | 512 MB |
| Noise (idle) | 20 dB | 20 dB |
| Fill | Helium | Helium |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | 1.30% |
| Price / TB | $39.21 | $50.62 |
| Buy | No US price yet |
$810
View at Amazon →
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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
MG09ACA16TE
1.30% AFR vs 1.41% fleet avg
95% CI 0.47-2.82%
893 drives · ~462 drive-years · 6 failures · Backblaze thru Q2 2026
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF