Verdict

For a NAS cache or write-heavy pool, the WDS100T1R0C 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 ES price yet
WDS100T1R0C
WD Red SN700 · 1TB · NAS
No ES price yet

Value at a glance

Price / TB
MZ-77Q1T0 $316.23
WDS100T1R0C $281.97
Endurance (TBW)
MZ-77Q1T0 360 TB
WDS100T1R0C 2,000 TB

Price history

ES · cheapest per day

MZ-77Q1T0 €296 WDS100T1R0C €295
zoomed · drag to zoom
€297 €179 €61 Aug 2024 Jan 2025 May 2025 Oct 2025 Feb 2026 Jul 2026
MZ-77Q1T0 WDS100T1R0C
Capacity 1 TB 1 TB
Form factor 2.5 M.2
Interface SATA NVMe
NAND type QLC TLC
Endurance (TBW) 360 TB 2,000 TB
DWPD - -
DRAM cache Yes Yes
Power-loss protection No No
Sustained write 80 MB/s -
Cost / TBW $0.878 $0.141
Price / TB $316.23 $281.97
Buy No ES price yet No ES 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.

WDS100T1R0C

No Backblaze failure data for this model.