Hardware Spec Index

Kestrix NS-3991 XT 4-Bay NAS (1GbE, M.2 Cache)

NAS Systems · Kestrix · SKU NS3991-XT · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index3,730 (NAS Systems scale)
Category rank#13,787
Street price$579
Power42 W
Performance per dollar6.44
Released2020

Specifications

BrandKestrix
ModelKestrix NS-3991 XT
Drive bays4× 3.5"/2.5" SATA, hot-swappable
Max raw capacity96 TB
Processor4-core ARM, 1.7 GHz
Memory4 GB DDR4
Network2× 1GbE
M.2 NVMe slots2× (cache or storage pool)
PCIe expansionNone
RAIDRAID 0/1/5/6/10, JBOD
File systemZFS
USB2× USB 3.2 Gen 1

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Cite this page: Hardware Spec Index, “Kestrix NS-3991 XT 4-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/4841998 (accessed 2026-10-19).