Verdict

These are comparable SSDs. The SKC3000D/4096G 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
£715 (£178.65/TB)
SKC3000D/4096G
Kingston KC3000 · 4TB · Desktop
£652 (£163.12/TB)

Value at a glance

Price / TB
LNM790X004T-RNNNU $178.05
SKC3000D/4096G $181.48
Endurance (TBW)
LNM790X004T-RNNNU 3,000 TB
SKC3000D/4096G 3,200 TB

Price history

UK · cheapest per day

LNM790X004T-RNNNU £715 SKC3000D/4096G £652
zoomed · drag to zoom
£717 £586 £455 Aug 21 Sep 2 Sep 14 Sep 26 Oct 8 Oct 21
LNM790X004T-RNNNU SKC3000D/4096G
Capacity 4 TB 4 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 3,000 TB 3,200 TB
DWPD - -
DRAM cache No Yes
Power-loss protection No No
Sustained write - -
Cost / TBW $0.237 $0.227
Price / TB $178.05 $181.48
Buy
£715
View at Amazon →
£652
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.

SKC3000D/4096G

No Backblaze failure data for this model.