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.

SFYRD/4000G
Kingston Fury Renegade · 4TB · Desktop
No UK price yet
SNV3S/4000G
Kingston NV3 · 4TB · Desktop
£470 (£117.50/TB)

Value at a glance

Endurance (TBW)
SFYRD/4000G 4,000 TB
SNV3S/4000G 1,280 TB

Price history

UK · cheapest per day

SNV3S/4000G £470
zoomed · drag to zoom
£519 £495 £470 Aug 21 Aug 26 Aug 31 Sep 5 Sep 10 Sep 16
SFYRD/4000G SNV3S/4000G
Capacity 4 TB 4 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 4,000 TB 1,280 TB
DWPD - -
DRAM cache Yes No
Power-loss protection No No
Sustained write - -
Cost / TBW - $0.405
Price / TB - $129.63
Buy No UK price yet
£470
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.

SFYRD/4000G

No Backblaze failure data for this model.

SNV3S/4000G

No Backblaze failure data for this model.