Verdict

These are comparable SSDs. The ZP1000GM3A063 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
€198 (€197.70/TB)
ZP1000GM3A063
Seagate FireCuda 530R · 1TB · Desktop
€439 (€438.99/TB)

Value at a glance

Price / TB
WDS100T4X0E $198.50
ZP1000GM3A063 $474.11
Endurance (TBW)
WDS100T4X0E 600 TB
ZP1000GM3A063 1,100 TB

Price history

ES · cheapest per day

WDS100T4X0E €198 ZP1000GM3A063 €439
zoomed · drag to zoom
€494 €280 €66 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Nov 2026
WDS100T4X0E ZP1000GM3A063
Capacity 1 TB 1 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 600 TB 1,100 TB
DWPD - -
DRAM cache No Yes
Power-loss protection No No
Sustained write - -
Cost / TBW $0.331 $0.431
Price / TB $198.50 $474.11
Buy
€198
View at Amazon →
€439
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.

WDS100T4X0E

No Backblaze failure data for this model.

ZP1000GM3A063

No Backblaze failure data for this model.