Verdict

These are comparable SSDs. The ZA1000NM1A002 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.

ZA1000NM1A002
Seagate IronWolf 125 · 1TB · NAS
No UK price yet
ZP1000GM3A063
Seagate FireCuda 530R · 1TB · Desktop
£367 (£367.26/TB)

Value at a glance

Endurance (TBW)
ZA1000NM1A002 1,400 TB
ZP1000GM3A063 1,100 TB

Price history

UK · cheapest per day

ZP1000GM3A063 £367
zoomed · drag to zoom
£367 £274 £182 Aug 21 Aug 26 Aug 31 Sep 5 Sep 10 Sep 16
ZA1000NM1A002 ZP1000GM3A063
Capacity 1 TB 1 TB
Form factor 2.5 M.2
Interface SATA NVMe
NAND type TLC TLC
Endurance (TBW) 1,400 TB 1,100 TB
DWPD 0.7 -
DRAM cache Yes Yes
Power-loss protection No No
Sustained write - -
Cost / TBW - $0.412
Price / TB - $453.60
Buy No UK price yet
£367
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.

ZA1000NM1A002

No Backblaze failure data for this model.

ZP1000GM3A063

No Backblaze failure data for this model.