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
SKC3000D/4096G
Kingston KC3000 · 4TB · Desktop
£629 (£157.22/TB)

Value at a glance

Endurance (TBW)
SFYRD/4000G 4,000 TB
SKC3000D/4096G 3,200 TB

Price history

UK · cheapest per day

SKC3000D/4096G £629
zoomed · drag to zoom
£653 £575 £496 Aug 21 Aug 26 Aug 31 Sep 5 Sep 10 Sep 16
SFYRD/4000G SKC3000D/4096G
Capacity 4 TB 4 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 4,000 TB 3,200 TB
DWPD - -
DRAM cache Yes Yes
Power-loss protection No No
Sustained write - -
Cost / TBW - $0.217
Price / TB - $173.97
Buy No UK price yet
£629
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.

SKC3000D/4096G

No Backblaze failure data for this model.