ST18000NM004J vs WD181KFGX
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
ST18000NM004J
$33.28
WD181KFGX
$43.80
Capacity
ST18000NM004J
18 TB
WD181KFGX
18 TB
Noise (idle)
ST18000NM004J
29 dB
WD181KFGX
20 dB
Price history · UK, cheapest per day
ST18000NM004J £520
WD181KFGX £878
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| ST18000NM004J | WD181KFGX | |
|---|---|---|
| Capacity | 18 TB | 18 TB |
| Recording tech | CMR | CMR |
| RAID / NAS safe | Yes | Yes |
| Class | Enterprise | NAS-Pro |
| Spindle speed | 7200 RPM | 7200 RPM |
| Cache | 256 MB | 512 MB |
| Noise (idle) | 29 dB | 20 dB |
| Fill | Helium | Helium |
| Interface | SAS | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $33.28 | $43.80 |
| Buy | No UK price yet |
£878
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.
ST18000NM004J
No Backblaze failure data for this model.
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF
WD181KFGX
No Backblaze failure data for this model.
5yr warranty · 300 TB/yr rated · 1,000,000h MTBF