Verdict

These are comparable SSDs. The SFYRD/4000G 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)
SFYRD/4000G
Kingston Fury Renegade · 4TB · Desktop
No US price yet

Value at a glance

Endurance (TBW)
LNM790X004T-RNNNU 3,000 TB
SFYRD/4000G 4,000 TB

Price history

US · cheapest per day

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

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.

SFYRD/4000G

No Backblaze failure data for this model.