HDWG51G vs MG08ACA16Tx
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
HDWG51G
$40.25
MG08ACA16Tx
$29.69
Capacity
HDWG51G
16 TB
MG08ACA16Tx
16 TB
Noise (idle)
HDWG51G
20 dB
MG08ACA16Tx
20 dB
Price history · UK, cheapest per day
HDWG51G £507
MG08ACA16Tx £385
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| HDWG51G | MG08ACA16Tx | |
|---|---|---|
| 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) | - | 1.43% |
| Price / TB | $40.25 | $29.69 |
| Buy |
£507
View at Amazon →
|
£385
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.
HDWG51G
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF
MG08ACA16Tx
1.43% AFR vs 1.34% fleet avg
95% CI 1.34-1.53%
51,185 drives · ~63,543 drive-years · 908 failures · Backblaze thru Q1 2026
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF