Hardware Spec Index

Mirenta NS-4821 Ultra 2-Bay NAS (2.5GbE)

NAS Systems · Mirenta · SKU NS4821-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index1,914 (NAS Systems scale)
Category rank#17,886
Street price$239
Power26 W
Performance per dollar8.01
Released2023

Specifications

BrandMirenta
ModelMirenta NS-4821 Ultra
Drive bays2× 3.5"/2.5" SATA, hot-swappable
Max raw capacity48 TB
Processor4-core ARM, 1.7 GHz
Memory2 GB DDR4
Network2× 2.5GbE
M.2 NVMe slotsNone
PCIe expansionNone
RAIDRAID 0/1, JBOD
File systemBtrfs, ext4
USB2× USB 3.2 Gen 2 (10Gbps)

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Cite this page: Hardware Spec Index, “Mirenta NS-4821 Ultra 2-Bay NAS (2.5GbE)”, https://vextor7.com/item/2319992 (accessed 2026-10-26).