Hardware Spec Index

Kestrix NS-2491 XT 5-Bay NAS (2.5GbE, M.2 Cache)

NAS Systems · Kestrix · SKU NS2491-XT · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index4,941 (NAS Systems scale)
Category rank#41,635
Street price$1,249
Power51 W
Performance per dollar3.96
Released2026

Specifications

BrandKestrix
ModelKestrix NS-2491 XT
Drive bays5× 3.5"/2.5" SATA, hot-swappable
Max raw capacity140 TB
Processor8-core x86, up to 3.2 GHz
Memory8 GB DDR5
Network2× 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)

Related guides

NAS RAID Levels ExplainedCMR vs SMR Hard Drives2.5GbE, 5GbE and 10GbE NetworkingNVMe SSDs Explained

Similar NAS Systems

ModelBenchmarkPriceCompare
Kestrix NS-3813 Core 8-Bay NAS (10GbE, M.2 Cache)6,480$2,059Compare
Kestrix NS-6994 Ti 2-Bay NAS (2.5GbE)2,352$249Compare
Kestrix NS-6601 Ti 2-Bay NAS (1GbE)1,512$159Compare
Halcyra NS-7992 Max 4-Bay NAS (2.5GbE)3,200$439Compare
Halcyra NS-7381 Pro 2-Bay NAS (2.5GbE)2,855$359Compare
Novexa NS-2481 XT 5-Bay NAS (2.5GbE, M.2 Cache)4,154$769Compare

All NAS Systems · JSON

Cite this page: Hardware Spec Index, “Kestrix NS-2491 XT 5-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/4696964 (accessed 2026-10-26).