Verdict

For a NAS cache or write-heavy pool, the MZ-V9P2T0 is the safer pick - the MZ-77Q2T0 uses QLC NAND, which wears out faster and slows badly under sustained writes (light, read-mostly use only).

MZ-77Q2T0
Samsung 870 QVO · 2TB · Desktop
No CA price yet
MZ-V9P2T0
Samsung 990 PRO · 2TB · Desktop
No CA price yet

Value at a glance

Price / TB
MZ-77Q2T0 $245.00
MZ-V9P2T0 $162.00
Endurance (TBW)
MZ-77Q2T0 720 TB
MZ-V9P2T0 1,200 TB

Price history

CA · cheapest per day

MZ-77Q2T0 C$449 MZ-V9P2T0 C$420
zoomed · drag to zoom
C$527 C$363 C$200 Aug 2024 Dec 2024 Mar 2025 Jul 2025 Nov 2025 Feb 2026
MZ-77Q2T0 MZ-V9P2T0
Capacity 2 TB 2 TB
Form factor 2.5 M.2
Interface SATA NVMe
NAND type QLC TLC
Endurance (TBW) 720 TB 1,200 TB
DWPD - -
DRAM cache Yes Yes
Power-loss protection No No
Sustained write 160 MB/s -
Cost / TBW $0.681 $0.270
Price / TB $245.00 $162.00
Buy No CA price yet 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.

MZ-77Q2T0

No Backblaze failure data for this model.

MZ-V9P2T0

No Backblaze failure data for this model.