Verdict

These are comparable SSDs. The MTFDKCC3T8TFR is rated for the most write endurance, so it lasts longest in a NAS that sees steady writes; for light use any is fine and price decides.

KCD8XRUG3T84
Kioxia CD8-R · 3.84TB · Enterprise
No US price yet
MTFDKCC3T8TFR
Micron 7450 PRO · 3.84TB · Enterprise
No US price yet

Value at a glance

Price / TB
KCD8XRUG3T84 $640.94
MTFDKCC3T8TFR $986.72
Endurance (TBW)
KCD8XRUG3T84 7,008 TB
MTFDKCC3T8TFR 7,300 TB
DWPD
KCD8XRUG3T84 1.0
MTFDKCC3T8TFR 1.0
Sustained write
KCD8XRUG3T84 3,800 MB/s
MTFDKCC3T8TFR 5,000 MB/s

Price history

US · cheapest per day

KCD8XRUG3T84 $1,000 MTFDKCC3T8TFR $969
zoomed · drag to zoom
$1,000 $730 $460 Aug 2024 Dec 2024 Apr 2025 Aug 2025 Dec 2025 Apr 2026
KCD8XRUG3T84 MTFDKCC3T8TFR
Capacity 3.84 TB 3.84 TB
Form factor U.2 U.3
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 7,008 TB 7,300 TB
DWPD 1.0 1.0
DRAM cache Yes Yes
Power-loss protection Yes Yes
Sustained write 3,800 MB/s 5,000 MB/s
Cost / TBW $0.351 $0.519
Price / TB $640.94 $986.72
Buy No US price yet No US 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.

KCD8XRUG3T84

No Backblaze failure data for this model.

MTFDKCC3T8TFR

No Backblaze failure data for this model.