Hardware Spec Index

Kestrix NS-7921 Pro 2-Bay NAS (1GbE, M.2 Cache)

NAS Systems · Kestrix · SKU NS7921-PRO · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index3,325 (NAS Systems scale)
Category rank#6,822
Street price$549
Power29 W
Performance per dollar6.06
Released2019

Specifications

BrandKestrix
ModelKestrix NS-7921 Pro
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 slots2× (cache or storage pool)
PCIe expansionNone
RAIDRAID 0/1, JBOD
File systemBtrfs, ext4
USB2× USB 3.2 Gen 1

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Cite this page: Hardware Spec Index, “Kestrix NS-7921 Pro 2-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/46435393 (accessed 2026-10-26).