Kestrix NS-8559 Ultra 6-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS8559-ULTRA · Released 2023 · Updated 2026-10-21
Key facts
| Benchmark index | 5,704 (NAS Systems scale) |
|---|
| Category rank | #48,329 |
|---|
| Street price | $1,479 |
|---|
| Power | 59 W |
|---|
| Performance per dollar | 3.86 |
|---|
| Released | 2023 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-8559 Ultra |
|---|
| Drive bays | 6× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 144 TB |
|---|
| Processor | 4-core x86, up to 3.3 GHz |
|---|
| Memory | 16 GB DDR5 ECC |
|---|
| Network | 2× 2.5GbE |
|---|
| M.2 NVMe slots | 2× (cache or storage pool) |
|---|
| PCIe expansion | 1× PCIe 4.0 x4 slot |
|---|
| RAID | RAID 0/1/5/6/10, JBOD |
|---|
| File system | Btrfs, ext4 |
|---|
| USB | 2× USB 3.2 Gen 2 (10Gbps) |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Novexa NS-3572 Edge 4-Bay NAS (2.5GbE) | 2,844 | $379 | Compare |
| Halcyra NS-6030 Prime 12-Bay NAS (10GbE, M.2 Cache) | 6,515 | $2,119 | Compare |
| Novexa NS-7944 XT 6-Bay NAS (10GbE, M.2 Cache) | 6,582 | $1,849 | Compare |
| Novexa NS-6675 Pro 2-Bay NAS (2.5GbE) | 3,247 | $509 | Compare |
| Novexa NS-2525 XT 4-Bay NAS (2.5GbE, M.2 Cache) | 3,533 | $569 | Compare |
| Mirenta NS-3366 SE 8-Bay NAS (2.5GbE, M.2 Cache) | 5,304 | $1,239 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-8559 Ultra 6-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/46989213 (accessed 2026-10-21).