Hardware Spec Index

Kestrix NS-3921 Prime 12-Bay NAS (10GbE, M.2 Cache)

NAS Systems · Kestrix · SKU NS3921-PRIME · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index7,147 (NAS Systems scale)
Category rank#2,136
Street price$2,289
Power97 W
Performance per dollar3.12
Released2019

Specifications

BrandKestrix
ModelKestrix NS-3921 Prime
Drive bays12× 3.5"/2.5" SATA, hot-swappable
Max raw capacity288 TB
Processor6-core x86, up to 3.5 GHz
Memory16 GB DDR4 ECC
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 1

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Cite this page: Hardware Spec Index, “Kestrix NS-3921 Prime 12-Bay NAS (10GbE, M.2 Cache)”, https://vextor7.com/item/4102246 (accessed 2026-10-24).