Verdict

For a NAS cache or write-heavy pool, the MZ-V9P1T0 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).

MZ-77Q1T0
Samsung 870 QVO · 1TB · Desktop
£219 (£219.00/TB)
MZ-V9P1T0
Samsung 990 PRO · 1TB · Desktop
£299 (£299.00/TB)

Value at a glance

Price / TB
MZ-77Q1T0 $278.13
MZ-V9P1T0 $218.99
Endurance (TBW)
MZ-77Q1T0 360 TB
MZ-V9P1T0 600 TB

Price history

UK · cheapest per day

MZ-77Q1T0 £219 MZ-V9P1T0 £299
zoomed · drag to zoom
£330 £188 £47 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Nov 2026
MZ-77Q1T0 MZ-V9P1T0
Capacity 1 TB 1 TB
Form factor 2.5 M.2
Interface SATA NVMe
NAND type QLC TLC
Endurance (TBW) 360 TB 600 TB
DWPD - -
DRAM cache Yes Yes
Power-loss protection No No
Sustained write 80 MB/s -
Cost / TBW $0.773 $0.365
Price / TB $278.13 $218.99
Buy
£219
View at Amazon →
£299
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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-77Q1T0

No Backblaze failure data for this model.

MZ-V9P1T0

No Backblaze failure data for this model.