Verdict

These are comparable SSDs. The LNM790X004T-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.

CT4000T705SSD3
Crucial T705 · 4TB · Desktop
$508 ($127.05/TB)
LNM790X004T-RNNNU
Lexar NM790 · 4TB · Desktop
$500 ($125.00/TB)

Value at a glance

Price / TB
CT4000T705SSD3 $127.05
LNM790X004T-RNNNU $125.00
Endurance (TBW)
CT4000T705SSD3 2,400 TB
LNM790X004T-RNNNU 3,000 TB

Price history

US · cheapest per day

CT4000T705SSD3 $508 LNM790X004T-RNNNU $500
zoomed · drag to zoom
$573 $536 $500 Aug 21 Aug 24 Aug 27 Aug 30 Sep 2 Sep 6
CT4000T705SSD3 LNM790X004T-RNNNU
Capacity 4 TB 4 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 2,400 TB 3,000 TB
DWPD - -
DRAM cache Yes No
Power-loss protection No No
Sustained write - -
Cost / TBW $0.212 $0.167
Price / TB $127.05 $125.00
Buy
$508
View at Amazon →
$500
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.

CT4000T705SSD3

No Backblaze failure data for this model.

LNM790X004T-RNNNU

No Backblaze failure data for this model.