Kestrix NS-4391 Prime 2-Bay NAS (2.5GbE)
NAS Systems · Kestrix · SKU NS4391-PRIME · Released 2025 · Updated 2026-10-22
Key facts
| Benchmark index | 2,312 (NAS Systems scale) |
|---|
| Category rank | #1,540 |
|---|
| Street price | $239 |
|---|
| Power | 26 W |
|---|
| Performance per dollar | 9.67 |
|---|
| Released | 2025 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-4391 Prime |
|---|
| Drive bays | 2× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 56 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 4 GB DDR4 |
|---|
| Network | 2× 2.5GbE |
|---|
| M.2 NVMe slots | None |
|---|
| PCIe expansion | None |
|---|
| RAID | RAID 0/1, JBOD |
|---|
| File system | Btrfs, ext4 |
|---|
| USB | 2× USB 3.2 Gen 2 (10Gbps) |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Halcyra NS-1116 Prime 2-Bay NAS (1GbE) | 1,925 | $209 | Compare |
| Novexa NS-3774 Plus 4-Bay NAS (1GbE, M.2 Cache) | 3,395 | $599 | Compare |
| Novexa NS-7801 Ti 2-Bay NAS (2.5GbE) | 2,026 | $239 | Compare |
| Kestrix NS-8074 Edge 5-Bay NAS (2.5GbE, M.2 Cache) | 5,017 | $1,189 | Compare |
| Mirenta NS-4600 Plus 2-Bay NAS (1GbE) | 2,888 | $429 | Compare |
| Kestrix NS-4475 SE 12-Bay NAS (10GbE, M.2 Cache) | 6,933 | $2,119 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-4391 Prime 2-Bay NAS (2.5GbE)”, https://vextor7.com/item/93670143 (accessed 2026-10-22).