Verdict

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

HDWG180
Toshiba N300 · 18TB · NAS
€1,014 (€56.34/TB)
ST18000NM000J
Seagate Exos X18 · 18TB · Enterprise
€630 (€35.00/TB)

Value at a glance

Price / TB
HDWG180 $48.33
ST18000NM000J $33.61
Capacity
HDWG180 18 TB
ST18000NM000J 18 TB
Noise (idle)
HDWG180 20 dB
ST18000NM000J 29 dB

Price history

IT · cheapest per day

HDWG180 €1,014 ST18000NM000J €630
zoomed · drag to zoom
€1,074 €647 €219 Aug 2024 Jan 2025 Jun 2025 Nov 2025 Mar 2026 Aug 2026
HDWG180 ST18000NM000J
Capacity 18 TB 18 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class NAS Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 512 MB 256 MB
Noise (idle) 20 dB 29 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $48.33 $33.61
Buy
€1,014
View at Amazon →
€630
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.

HDWG180

No Backblaze failure data for this model.

3yr warranty · 180 TB/yr rated · 1,000,000h MTBF

ST18000NM000J

No Backblaze failure data for this model.

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