Verdict

For a NAS cache or write-heavy pool, the LNM790X001T-RNNNU is the safer pick - the MZ-77Q1T0 uses QLC NAND, which wears out faster and slows badly under sustained writes (light, read-mostly use only).

LNM790X001T-RNNNU
Lexar NM790 · 1TB · Desktop
C$298 (C$298.38/TB)
MZ-77Q1T0
Samsung 870 QVO · 1TB · Desktop
No CA price yet

Value at a glance

Price / TB
LNM790X001T-RNNNU $199.99
MZ-77Q1T0 $278.13
Endurance (TBW)
LNM790X001T-RNNNU 1,000 TB
MZ-77Q1T0 360 TB

Price history

CA · cheapest per day

LNM790X001T-RNNNU C$298 MZ-77Q1T0 C$436
zoomed · drag to zoom
C$447 C$269 C$90 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Oct 2026
LNM790X001T-RNNNU MZ-77Q1T0
Capacity 1 TB 1 TB
Form factor M.2 2.5
Interface NVMe SATA
NAND type TLC QLC
Endurance (TBW) 1,000 TB 360 TB
DWPD - -
DRAM cache No Yes
Power-loss protection No No
Sustained write - 80 MB/s
Cost / TBW $0.200 $0.773
Price / TB $199.99 $278.13
Buy
C$298
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No CA 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.

LNM790X001T-RNNNU

No Backblaze failure data for this model.

MZ-77Q1T0

No Backblaze failure data for this model.