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
$199 ($198.50/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 $199 ZP1000NM3A002 $300
zoomed · drag to zoom
$300 $184 $69 Dec 2024 Apr 2025 Sep 2025 Jan 2026 Jun 2026 Nov 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 $0.331 -
Price / TB $198.50 -
Buy
$199
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.