Kestrix NS-7581 Ultra 2-Bay NAS (2.5GbE)
NAS Systems · Kestrix · SKU NS7581-ULTRA · Released 2023 · Updated 2026-10-23
Key facts
| Benchmark index | 2,049 (NAS Systems scale) |
|---|
| Category rank | #47,819 |
|---|
| Street price | $229 |
|---|
| Power | 26 W |
|---|
| Performance per dollar | 8.95 |
|---|
| Released | 2023 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-7581 Ultra |
|---|
| Drive bays | 2× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 48 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 2 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 |
|---|
| Mirenta NS-2773 Max 12-Bay NAS (10GbE, M.2 Cache) | 5,637 | $1,619 | Compare |
| Kestrix NS-9158 Prime 4-Bay NAS (2.5GbE) | 2,696 | $339 | Compare |
| Halcyra NS-1344 Edge 2-Bay NAS (1GbE) | 1,874 | $199 | Compare |
| Mirenta NS-7190 Ti 8-Bay NAS (10GbE, M.2 Cache) | 6,138 | $1,899 | Compare |
| Kestrix NS-8008 Pro 12-Bay NAS (10GbE, M.2 Cache) | 6,649 | $1,959 | Compare |
| Halcyra NS-4808 Ti 5-Bay NAS (1GbE, M.2 Cache) | 3,973 | $829 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-7581 Ultra 2-Bay NAS (2.5GbE)”, https://vextor7.com/item/96565856 (accessed 2026-10-23).