Kestrix NS-5281 Ultra 4-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS5281-ULTRA · Released 2019 · Updated 2026-10-22
Key facts
| Benchmark index | 3,493 (NAS Systems scale) |
|---|
| Category rank | #27,770 |
|---|
| Street price | $529 |
|---|
| Power | 42 W |
|---|
| Performance per dollar | 6.60 |
|---|
| Released | 2019 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-5281 Ultra |
|---|
| Drive bays | 4× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 96 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 8 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 | Btrfs, ext4 |
|---|
| USB | 2× USB 3.2 Gen 1 |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Kestrix NS-1199 Plus 8-Bay NAS (10GbE, M.2 Cache) | 5,889 | $1,539 | Compare |
| Mirenta NS-8033 Core 4-Bay NAS (2.5GbE, M.2 Cache) | 4,399 | $869 | Compare |
| Halcyra NS-7362 Max 4-Bay NAS (2.5GbE) | 3,365 | $469 | Compare |
| Halcyra NS-9908 SE 2-Bay NAS (2.5GbE) | 1,755 | $199 | Compare |
| Halcyra NS-9939 SE 2-Bay NAS (1GbE) | 1,259 | $149 | Compare |
| Halcyra NS-4824 XT 4-Bay NAS (1GbE, M.2 Cache) | 4,927 | $1,169 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-5281 Ultra 4-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/677570 (accessed 2026-10-22).