Verdict

These are comparable NAS drives. The HDWG31G offers the most capacity (16TB), so it's the better value if you need the space; otherwise they're closely matched - decide on the live $/TB above.

HDWG31G
Toshiba N300 · 16TB · NAS
No ES price yet
HDWR31G
Toshiba X300 · 14TB · Desktop
€629 (€44.91/TB)

Value at a glance

Price / TB
HDWG31G $39.21
HDWR31G $41.70
Capacity
HDWG31G 16 TB
HDWR31G 14 TB
Noise (idle)
HDWG31G 20 dB
HDWR31G 20 dB

Price history

ES · cheapest per day

HDWG31G €885 HDWR31G €629
zoomed · drag to zoom
€907 €599 €291 Oct 2024 Feb 2025 Jul 2025 Dec 2025 May 2026 Sep 2026
HDWG31G HDWR31G
Capacity 16 TB 14 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class NAS Desktop
Spindle speed 7200 RPM 7200 RPM
Cache 512 MB 256 MB
Noise (idle) 20 dB 20 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $39.21 $41.70
Buy No ES price yet
€629
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.

HDWG31G

No Backblaze failure data for this model.

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

HDWR31G

No Backblaze failure data for this model.

2yr warranty