ST14000NM001G vs WD140EFGX
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
ST14000NM001G
$34.71
WD140EFGX
$77.07
Capacity
ST14000NM001G
14 TB
WD140EFGX
14 TB
Noise (idle)
ST14000NM001G
29 dB
WD140EFGX
24 dB
Price history
UK · cheapest per day
ST14000NM001G £372
WD140EFGX £996
zoomed ·
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| ST14000NM001G | WD140EFGX | |
|---|---|---|
| Capacity | 14 TB | 14 TB |
| Recording tech | CMR | CMR |
| RAID / NAS safe | Yes | Yes |
| Class | Enterprise | NAS |
| Spindle speed | 7200 RPM | 7200 RPM |
| Cache | 256 MB | 512 MB |
| Noise (idle) | 29 dB | 24 dB |
| Fill | Helium | Helium |
| Interface | SATA | SATA |
| Failure rate (AFR) | 1.38% | - |
| Price / TB | $34.71 | $77.07 |
| Buy | No UK price yet | No UK 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.
ST14000NM001G
1.38% AFR vs 1.41% fleet avg
95% CI 1.29-1.48%
10,498 drives · ~57,467 drive-years · 795 failures · Backblaze lifetime Q2 2026
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF
WD140EFGX
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF