Verdict

For a NAS cache or write-heavy pool, the CT2000P510SSD1 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).

CT2000P510SSD1
Crucial P510 · 2TB · Desktop
No UK price yet
MZ-77Q2T0
Samsung 870 QVO · 2TB · Desktop
No UK price yet

Value at a glance

Endurance (TBW)
CT2000P510SSD1 1,200 TB
MZ-77Q2T0 720 TB
Sustained write
CT2000P510SSD1 7,000 MB/s
MZ-77Q2T0 160 MB/s

Price history

UK · cheapest per day

MZ-77Q2T0 £469
zoomed · drag to zoom
£469 £298 £127 Nov 2024 Mar 2025 Jul 2025 Nov 2025 Mar 2026 Jul 2026
CT2000P510SSD1 MZ-77Q2T0
Capacity 2 TB 2 TB
Form factor M.2 2.5
Interface NVMe SATA
NAND type TLC QLC
Endurance (TBW) 1,200 TB 720 TB
DWPD - -
DRAM cache No Yes
Power-loss protection No No
Sustained write 7,000 MB/s 160 MB/s
Cost / TBW - $0.685
Price / TB - $246.63
Buy No UK price yet No UK 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.

CT2000P510SSD1

No Backblaze failure data for this model.

MZ-77Q2T0

No Backblaze failure data for this model.