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)
WUH721818AL5204
WD Ultrastar DC HC550 · 18TB · Enterprise
No ES price yet

Value at a glance

Capacity
MG09SCA18TE 18 TB
WUH721818AL5204 18 TB
Noise (idle)
MG09SCA18TE 20 dB
WUH721818AL5204 20 dB

Price history

ES · cheapest per day

MG09SCA18TE €961
zoomed · drag to zoom
€1,062 €712 €362 Sep 2024 Feb 2025 Jul 2025 Nov 2025 Apr 2026 Sep 2026
MG09SCA18TE WUH721818AL5204
Capacity 18 TB 18 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Enterprise Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 512 MB 512 MB
Noise (idle) 20 dB 20 dB
Fill Helium Helium
Interface SAS SAS
Failure rate (AFR) - -
Price / TB $29.94 -
Buy
€961
View at Amazon →
No ES 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.

MG09SCA18TE

No Backblaze failure data for this model.

5yr warranty · 550 TB/yr rated · 2,500,000h MTBF

WUH721818AL5204

No Backblaze failure data for this model.

5yr warranty · 550 TB/yr rated · 2,500,000h MTBF