Verdict

These are comparable SSDs. The LNM790X002T-RNNNU 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.

LNM790X002T-RNNNU
Lexar NM790 · 2TB · Desktop
C$491 (C$245.42/TB)
MZ-V9P2T0
Samsung 990 PRO · 2TB · Desktop
C$697 (C$348.47/TB)

Value at a glance

Price / TB
LNM790X002T-RNNNU $164.50
MZ-V9P2T0 $162.00
Endurance (TBW)
LNM790X002T-RNNNU 1,500 TB
MZ-V9P2T0 1,200 TB

Price history

CA · cheapest per day

LNM790X002T-RNNNU C$491 MZ-V9P2T0 C$697
zoomed · drag to zoom
C$894 C$518 C$142 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Nov 2026
LNM790X002T-RNNNU MZ-V9P2T0
Capacity 2 TB 2 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 1,500 TB 1,200 TB
DWPD - -
DRAM cache No Yes
Power-loss protection No No
Sustained write - -
Cost / TBW $0.219 $0.270
Price / TB $164.50 $162.00
Buy
C$491
View at Amazon →
C$697
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.

LNM790X002T-RNNNU

No Backblaze failure data for this model.

MZ-V9P2T0

No Backblaze failure data for this model.