Hardware Spec Index

Kestrix NS-4390 Ultra 5-Bay NAS (2.5GbE, M.2 Cache)

NAS Systems · Kestrix · SKU NS4390-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index3,758 (NAS Systems scale)
Category rank#35,728
Street price$789
Power49 W
Performance per dollar4.76
Released2025

Specifications

BrandKestrix
ModelKestrix NS-4390 Ultra
Drive bays5× 3.5"/2.5" SATA, hot-swappable
Max raw capacity140 TB
Processor4-core ARM, 1.7 GHz
Memory4 GB DDR4
Network2× 2.5GbE
M.2 NVMe slots2× (cache or storage pool)
PCIe expansionNone
RAIDRAID 0/1/5/6/10, JBOD
File systemBtrfs, ext4
USB2× USB 3.2 Gen 2 (10Gbps)

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Cite this page: Hardware Spec Index, “Kestrix NS-4390 Ultra 5-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/3986405 (accessed 2026-10-20).