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.

MZ-VAP4T0BW
Samsung 9100 PRO · 4TB · Desktop
No DE price yet
SFYRD/4000G
Kingston Fury Renegade · 4TB · Desktop
No DE price yet

Value at a glance

Endurance (TBW)
MZ-VAP4T0BW 2,400 TB
SFYRD/4000G 4,000 TB
MZ-VAP4T0BW SFYRD/4000G
Capacity 4 TB 4 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 2,400 TB 4,000 TB
DWPD - -
DRAM cache Yes Yes
Power-loss protection No No
Sustained write - -
Cost / TBW $0.468 -
Price / TB $280.88 -
Buy No DE price yet No DE 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.

MZ-VAP4T0BW

No Backblaze failure data for this model.

SFYRD/4000G

No Backblaze failure data for this model.