Verdict

For a NAS cache or write-heavy pool, the ZA1000NM1A002 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
No DE price yet
ZA1000NM1A002
Seagate IronWolf 125 · 1TB · NAS
No DE price yet

Value at a glance

Endurance (TBW)
MZ-77Q1T0 360 TB
ZA1000NM1A002 1,400 TB

Price history

DE · cheapest per day

MZ-77Q1T0 €290 ZA1000NM1A002 €221
zoomed · drag to zoom
€300 €187 €74 Aug 2024 Jan 2025 Jun 2025 Oct 2025 Mar 2026 Aug 2026
MZ-77Q1T0 ZA1000NM1A002
Capacity 1 TB 1 TB
Form factor 2.5 2.5
Interface SATA SATA
NAND type QLC TLC
Endurance (TBW) 360 TB 1,400 TB
DWPD - 0.7
DRAM cache Yes Yes
Power-loss protection No No
Sustained write 80 MB/s -
Cost / TBW $0.878 -
Price / TB $316.23 -
Buy No DE price yet No DE 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-77Q1T0

No Backblaze failure data for this model.

ZA1000NM1A002

No Backblaze failure data for this model.