Hardware Spec Index

Halcyra NS-3551 Ultra 2-Bay NAS (2.5GbE)

NAS Systems · Halcyra · SKU NS3551-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,691 (NAS Systems scale)
Category rank#2,185
Street price$179
Power25 W
Performance per dollar9.45
Released2024

Specifications

BrandHalcyra
ModelHalcyra NS-3551 Ultra
Drive bays2× 3.5"/2.5" SATA, hot-swappable
Max raw capacity48 TB
Processor4-core ARM, 1.7 GHz
Memory4 GB DDR4
Network2× 2.5GbE
M.2 NVMe slotsNone
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, “Halcyra NS-3551 Ultra 2-Bay NAS (2.5GbE)”, https://vextor7.com/item/4869167 (accessed 2026-10-19).