Verdict

These are comparable SSDs. The ZP500NM3A002 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.

SNV3510-400G
Synology SNV3510 · 0.4TB · NAS
No CA price yet
ZP500NM3A002
Seagate IronWolf 525 · 0.5TB · NAS
No CA price yet

Value at a glance

Endurance (TBW)
SNV3510-400G 491 TB
ZP500NM3A002 700 TB
DWPD
SNV3510-400G 0.7
ZP500NM3A002 0.7

Price history

CA · cheapest per day

ZP500NM3A002 C$115
zoomed · drag to zoom
C$115 Jun 3
SNV3510-400G ZP500NM3A002
Capacity 0.4 TB 0.5 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 491 TB 700 TB
DWPD 0.7 0.7
DRAM cache - -
Power-loss protection Yes No
Sustained write - 525 MB/s
Cost / TBW - -
Price / TB - -
Buy No CA price yet No CA 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.

SNV3510-400G

No Backblaze failure data for this model.

ZP500NM3A002

No Backblaze failure data for this model.