Hardware Spec Index

Kestrix NS-8181 Ultra 2-Bay NAS (1GbE)

NAS Systems · Kestrix · SKU NS8181-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,493 (NAS Systems scale)
Category rank#39,976
Street price$339
Power27 W
Performance per dollar7.35
Released2021

Specifications

BrandKestrix
ModelKestrix NS-8181 Ultra
Drive bays2× 3.5"/2.5" SATA, hot-swappable
Max raw capacity48 TB
Processor4-core ARM, 1.7 GHz
Memory4 GB DDR4
Network2× 1GbE
M.2 NVMe slotsNone
PCIe expansionNone
RAIDRAID 0/1, JBOD
File systemBtrfs, ext4
USB2× USB 3.2 Gen 1

Related guides

NAS RAID Levels ExplainedCMR vs SMR Hard Drives2.5GbE, 5GbE and 10GbE Networking

Similar NAS Systems

ModelBenchmarkPriceCompare
Mirenta NS-6043 Ultra 6-Bay NAS (1GbE, M.2 Cache)4,743$919Compare
Kestrix NS-8163 Ultra 12-Bay NAS (10GbE, M.2 Cache)6,505$1,869Compare
Mirenta NS-9584 Pro 5-Bay NAS (1GbE, M.2 Cache)4,842$1,029Compare
Kestrix NS-1782 Pro 8-Bay NAS (10GbE, M.2 Cache)5,639$1,729Compare
Mirenta NS-4427 Prime 5-Bay NAS (1GbE, M.2 Cache)4,189$779Compare
Novexa NS-2771 Prime 4-Bay NAS (1GbE)2,889$389Compare

All NAS Systems · JSON

Cite this page: Hardware Spec Index, “Kestrix NS-8181 Ultra 2-Bay NAS (1GbE)”, https://vextor7.com/item/20037684 (accessed 2026-10-19).