Verdict

These are comparable SSDs. The ZP1000NM3A002 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.

WDS100T4X0E
WD Black SN7100 · 1TB · Desktop
$189 ($189.00/TB)
ZP1000NM3A002
Seagate IronWolf 525 · 1TB · NAS
No US price yet

Value at a glance

Endurance (TBW)
WDS100T4X0E 600 TB
ZP1000NM3A002 1,400 TB

Price history

US · cheapest per day

WDS100T4X0E $189 ZP1000NM3A002 $300
zoomed · drag to zoom
$339 $260 $180 Sep 2024 Feb 2025 Jul 2025 Nov 2025 Apr 2026 Sep 2026
WDS100T4X0E ZP1000NM3A002
Capacity 1 TB 1 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 600 TB 1,400 TB
DWPD - 0.7
DRAM cache No -
Power-loss protection No No
Sustained write - 995 MB/s
Cost / TBW $0.315 -
Price / TB $189.00 -
Buy
$189
View at Amazon →
No US 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.

WDS100T4X0E

No Backblaze failure data for this model.

ZP1000NM3A002

No Backblaze failure data for this model.