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
€858 (€47.69/TB)
ST18000NT001
Seagate IronWolf Pro · 18TB · NAS-Pro
No DE price yet

Value at a glance

Price / TB
MG09SCA18TE $36.75
ST18000NT001 $42.00
Capacity
MG09SCA18TE 18 TB
ST18000NT001 18 TB
Noise (idle)
MG09SCA18TE 20 dB
ST18000NT001 28 dB

Price history · DE, cheapest per day

MG09SCA18TE €858 ST18000NT001 €575
zoomed · drag to zoom
€903 €601 €300 Jul 2024 Dec 2024 May 2025 Oct 2025 Feb 2026 Jul 2026
MG09SCA18TE ST18000NT001
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 256 MB
Noise (idle) 20 dB 28 dB
Fill Helium Helium
Interface SAS SATA
Failure rate (AFR) - -
Price / TB $36.75 $42.00
Buy
€858
View at Amazon →
No DE 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

ST18000NT001

No Backblaze failure data for this model.

5yr warranty · 300 TB/yr rated · 1,200,000h MTBF