Verdict

These are closely matched NAS drives of the same capacity - decide on price and warranty. Check the live $/TB above.

MG09SCA18TE
Toshiba MG09 · 18TB · Enterprise
€961 (€53.41/TB)
WD181KFGX
WD Red Pro · 18TB · NAS-Pro
€869 (€48.28/TB)

Value at a glance

Price / TB
MG09SCA18TE $29.94
WD181KFGX $41.11
Capacity
MG09SCA18TE 18 TB
WD181KFGX 18 TB
Noise (idle)
MG09SCA18TE 20 dB
WD181KFGX 20 dB

Price history

ES · cheapest per day

MG09SCA18TE €961 WD181KFGX €869
zoomed · drag to zoom
€1,107 €735 €362 Sep 2024 Feb 2025 Jul 2025 Nov 2025 Apr 2026 Sep 2026
MG09SCA18TE 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 512 MB 512 MB
Noise (idle) 20 dB 20 dB
Fill Helium Helium
Interface SAS SATA
Failure rate (AFR) - -
Price / TB $29.94 $41.11
Buy
€961
View at Amazon →
€869
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.

MG09SCA18TE

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