Verdict

For a NAS cache or write-heavy pool, the ZA2000NM1A002 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
ZA2000NM1A002
Seagate IronWolf 125 · 2TB · NAS
No CA price yet

Value at a glance

Endurance (TBW)
MZ-77Q2T0 720 TB
ZA2000NM1A002 2,800 TB

Price history

CA · cheapest per day

MZ-77Q2T0 C$449 ZA2000NM1A002 C$510
zoomed · drag to zoom
C$519 C$372 C$224 Oct 2024 Dec 2024 Mar 2025 Jun 2025 Aug 2025 Nov 2025
MZ-77Q2T0 ZA2000NM1A002
Capacity 2 TB 2 TB
Form factor 2.5 2.5
Interface SATA SATA
NAND type QLC TLC
Endurance (TBW) 720 TB 2,800 TB
DWPD - 0.7
DRAM cache Yes Yes
Power-loss protection No No
Sustained write 160 MB/s -
Cost / TBW $0.681 -
Price / TB $245.00 -
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.

ZA2000NM1A002

No Backblaze failure data for this model.