Kestrix NS-2591 Pro 4-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS2591-PRO · Released 2021 · Updated 2026-10-24
Key facts
| Benchmark index | 3,669 (NAS Systems scale) |
|---|
| Category rank | #40,777 |
|---|
| Street price | $749 |
|---|
| Power | 42 W |
|---|
| Performance per dollar | 4.90 |
|---|
| Released | 2021 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-2591 Pro |
|---|
| Drive bays | 4× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 96 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 4 GB DDR4 |
|---|
| Network | 2× 1GbE |
|---|
| M.2 NVMe slots | 2× (cache or storage pool) |
|---|
| PCIe expansion | None |
|---|
| RAID | RAID 0/1/5/6/10, JBOD |
|---|
| File system | ZFS |
|---|
| USB | 2× USB 3.2 Gen 1 |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Mirenta NS-2980 Plus 2-Bay NAS (2.5GbE) | 1,627 | $179 | Compare |
| Mirenta NS-5536 Plus 12-Bay NAS (10GbE, M.2 Cache) | 6,341 | $1,669 | Compare |
| Halcyra NS-7391 Pro 4-Bay NAS (1GbE) | 2,225 | $259 | Compare |
| Mirenta NS-6866 Pro 6-Bay NAS (1GbE, M.2 Cache) | 4,814 | $1,219 | Compare |
| Mirenta NS-5509 Max 6-Bay NAS (2.5GbE, M.2 Cache) | 5,345 | $1,339 | Compare |
| Mirenta NS-2761 XT 6-Bay NAS (2.5GbE, M.2 Cache) | 4,617 | $1,049 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-2591 Pro 4-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/7104612 (accessed 2026-10-24).