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
C$1,072 (C$267.94/TB)
SNV3S/4000G
Kingston NV3 · 4TB · Desktop
C$840 (C$209.98/TB)

Value at a glance

Price / TB
LNM790X004T-RNNNU $178.05
SNV3S/4000G $137.25
Endurance (TBW)
LNM790X004T-RNNNU 3,000 TB
SNV3S/4000G 1,280 TB

Price history

CA · cheapest per day

LNM790X004T-RNNNU C$1,072 SNV3S/4000G C$840
zoomed · drag to zoom
C$1,154 C$997 C$840 Aug 21 Sep 2 Sep 14 Sep 27 Oct 9 Oct 22
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 $0.237 $0.429
Price / TB $178.05 $137.25
Buy
C$1,072
View at Amazon →
C$840
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.