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.

LNM790X004T-RNNNU
Lexar NM790 · 4TB · Desktop
$500 ($125.00/TB)
SNV3S/4000G
Kingston NV3 · 4TB · Desktop
$519 ($129.63/TB)

Value at a glance

Price / TB
LNM790X004T-RNNNU $125.00
SNV3S/4000G $129.63
Endurance (TBW)
LNM790X004T-RNNNU 3,000 TB
SNV3S/4000G 1,280 TB

Price history

US · cheapest per day

LNM790X004T-RNNNU $500 SNV3S/4000G $519
zoomed · drag to zoom
$520 $510 $500 Aug 21 Aug 24 Aug 27 Aug 30 Sep 2 Sep 6
LNM790X004T-RNNNU SNV3S/4000G
Capacity 4 TB 4 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 3,000 TB 1,280 TB
DWPD - -
DRAM cache No No
Power-loss protection No No
Sustained write - -
Cost / TBW $0.167 $0.405
Price / TB $125.00 $129.63
Buy
$500
View at Amazon →
$519
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.

LNM790X004T-RNNNU

No Backblaze failure data for this model.

SNV3S/4000G

No Backblaze failure data for this model.