Verdict

For a NAS or any RAID array, the ST2000NT001 is the pick - it's CMR. The ST2000DM008 uses SMR recording, which is not recommended for RAID (single-drive or archival use only).

ST2000DM008
Seagate BarraCuda · 2TB · Desktop
£135 (£67.38/TB)
ST2000NT001
Seagate IronWolf Pro · 2TB · NAS-Pro
£148 (£74.00/TB)

Value at a glance

Price / TB
ST2000DM008 $63.67
ST2000NT001 $93.98
Capacity
ST2000DM008 2 TB
ST2000NT001 2 TB
Noise (idle)
ST2000DM008 22 dB
ST2000NT001 28 dB

Price history · UK, cheapest per day

ST2000DM008 £135 ST2000NT001 £148
zoomed · drag to zoom
£257 £155 £52 Jul 2024 Dec 2024 May 2025 Oct 2025 Feb 2026 Jul 2026
ST2000DM008 ST2000NT001
Capacity 2 TB 2 TB
Recording tech SMR CMR
RAID / NAS safe No Yes
Class Desktop NAS-Pro
Spindle speed 7200 RPM 7200 RPM
Cache 256 MB 256 MB
Noise (idle) 22 dB 28 dB
Fill Air Air
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $63.67 $93.98
Buy
£135
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£148
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.

ST2000DM008

No Backblaze failure data for this model.

2yr warranty

ST2000NT001

No Backblaze failure data for this model.

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