Verdict

These are comparable SSDs. The ZP2000NM3A002 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.

WDS200T4X0E
WD Black SN7100 · 2TB · Desktop
$339 ($169.50/TB)
ZP2000NM3A002
Seagate IronWolf 525 · 2TB · NAS
No US price yet

Value at a glance

Endurance (TBW)
WDS200T4X0E 1,200 TB
ZP2000NM3A002 2,800 TB

Price history

US · cheapest per day

WDS200T4X0E $339 ZP2000NM3A002 $164
zoomed · drag to zoom
$615 $367 $120 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Nov 2026
WDS200T4X0E ZP2000NM3A002
Capacity 2 TB 2 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 1,200 TB 2,800 TB
DWPD - 0.7
DRAM cache No -
Power-loss protection No No
Sustained write - 965 MB/s
Cost / TBW $0.272 -
Price / TB $162.97 -
Buy
$339
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.

WDS200T4X0E

No Backblaze failure data for this model.

ZP2000NM3A002

No Backblaze failure data for this model.