Hardware Spec Index

Kestrix NS-5221 Ultra 6-Bay NAS (10GbE, M.2 Cache)

NAS Systems · Kestrix · SKU NS5221-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index6,403 (NAS Systems scale)
Category rank#939
Street price$1,599
Power60 W
Performance per dollar4.00
Released2025

Specifications

BrandKestrix
ModelKestrix NS-5221 Ultra
Drive bays6× 3.5"/2.5" SATA, hot-swappable
Max raw capacity168 TB
Processor6-core x86, up to 3.4 GHz
Memory8 GB DDR5
Network1× 10GbE + 2× 2.5GbE
M.2 NVMe slots2× (cache or storage pool)
PCIe expansion1× PCIe 4.0 x4 slot
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-5221 Ultra 6-Bay NAS (10GbE, M.2 Cache)”, https://vextor7.com/item/280856 (accessed 2026-10-19).