Hardware Spec Index

Kestrix NS-5440 Ultra 2-Bay NAS (2.5GbE, M.2 Cache)

NAS Systems · Kestrix · SKU NS5440-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index3,673 (NAS Systems scale)
Category rank#48,080
Street price$569
Power30 W
Performance per dollar6.46
Released2023

Specifications

BrandKestrix
ModelKestrix NS-5440 Ultra
Drive bays2× 3.5"/2.5" SATA, hot-swappable
Max raw capacity48 TB
Processor4-core ARM, 1.7 GHz
Memory8 GB DDR4
Network2× 2.5GbE
M.2 NVMe slots2× (cache or storage pool)
PCIe expansionNone
RAIDRAID 0/1, JBOD
File systemBtrfs, ext4
USB2× USB 3.2 Gen 2 (10Gbps)

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Cite this page: Hardware Spec Index, “Kestrix NS-5440 Ultra 2-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/8927729 (accessed 2026-10-25).