Verdict

These are comparable SSDs. The LNM790X002T-RNNNU is rated for the most write endurance, so it lasts longest in a NAS that sees steady writes; for light use any is fine and price decides.

CT2000T705SSD3
Crucial T705 · 2TB · Desktop
£279 (£139.50/TB)
LNM790X002T-RNNNU
Lexar NM790 · 2TB · Desktop
£305 (£152.75/TB)

Value at a glance

Price / TB
CT2000T705SSD3 $177.17
LNM790X002T-RNNNU $164.50
Endurance (TBW)
CT2000T705SSD3 1,200 TB
LNM790X002T-RNNNU 1,500 TB

Price history

UK · cheapest per day

CT2000T705SSD3 £279 LNM790X002T-RNNNU £305
zoomed · drag to zoom
£416 £260 £104 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Nov 2026
CT2000T705SSD3 LNM790X002T-RNNNU
Capacity 2 TB 2 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 1,200 TB 1,500 TB
DWPD - -
DRAM cache Yes No
Power-loss protection No No
Sustained write - -
Cost / TBW $0.295 $0.219
Price / TB $177.17 $164.50
Buy
£279
View at Amazon →
£305
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.

CT2000T705SSD3

No Backblaze failure data for this model.

LNM790X002T-RNNNU

No Backblaze failure data for this model.