Verdict

These are comparable SSDs. The WDS200T1R0C 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.

WDS200T1R0C
WD Red SN700 · 2TB · NAS
€455 (€227.31/TB)
WDS200T2X0E
WD Black SN850X · 2TB · Desktop
€616 (€307.98/TB)

Value at a glance

Price / TB
WDS200T1R0C $232.86
WDS200T2X0E $208.85
Endurance (TBW)
WDS200T1R0C 2,500 TB
WDS200T2X0E 1,200 TB

Price history

DE · cheapest per day

WDS200T1R0C €455 WDS200T2X0E €616
zoomed · drag to zoom
€805 €477 €148 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Nov 2026
WDS200T1R0C WDS200T2X0E
Capacity 2 TB 2 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 2,500 TB 1,200 TB
DWPD - -
DRAM cache Yes Yes
Power-loss protection No No
Sustained write - -
Cost / TBW $0.186 $0.348
Price / TB $232.86 $208.85
Buy
€455
View at Amazon →
€616
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.

WDS200T1R0C

No Backblaze failure data for this model.

WDS200T2X0E

No Backblaze failure data for this model.