Verdict

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

HAT3310-12T
Synology Plus Series · 12TB · NAS
No UK price yet
ST12000NM001G
Seagate Exos X16 · 12TB · Enterprise
No UK price yet

Value at a glance

Capacity
HAT3310-12T 12 TB
ST12000NM001G 12 TB
Noise (idle)
HAT3310-12T 20 dB
ST12000NM001G 29 dB

Price history

UK · cheapest per day

ST12000NM001G £249
zoomed · drag to zoom
£250 £243 £235 May 22 Jun 24 Jul 27 Aug 29 Oct 1 Nov 4
HAT3310-12T ST12000NM001G
Capacity 12 TB 12 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) - 1.00%
Price / TB - $39.71
Buy No UK price yet No UK 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.

HAT3310-12T

No Backblaze failure data for this model.

3yr warranty · 180 TB/yr rated · 1,200,000h MTBF

ST12000NM001G

1.00% AFR vs 1.41% fleet avg

95% CI 0.93-1.08%

13,177 drives · ~72,056 drive-years · 723 failures · Backblaze lifetime Q2 2026

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