Kestrix NS-7557 Ultra 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS7557-ULTRA · Released 2022 · Updated 2026-10-26
Key facts
| Benchmark index | 3,342 (NAS Systems scale) |
|---|
| Category rank | #13,143 |
|---|
| Street price | $589 |
|---|
| Power | 42 W |
|---|
| Performance per dollar | 5.67 |
|---|
| Released | 2022 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-7557 Ultra |
|---|
| 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× 2.5GbE |
|---|
| 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 2 (10Gbps) |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Kestrix NS-3913 Pro 4-Bay NAS (1GbE) | 3,113 | $549 | Compare |
| Novexa NS-5802 Plus 6-Bay NAS (2.5GbE, M.2 Cache) | 4,529 | $829 | Compare |
| Mirenta NS-2675 Ultra 8-Bay NAS (10GbE, M.2 Cache) | 5,802 | $1,719 | Compare |
| Halcyra NS-3141 Ultra 6-Bay NAS (2.5GbE, M.2 Cache) | 4,870 | $1,059 | Compare |
| Novexa NS-2390 Core 2-Bay NAS (1GbE) | 2,786 | $329 | Compare |
| Novexa NS-2483 Edge 2-Bay NAS (1GbE) | 2,043 | $259 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-7557 Ultra 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/94093347 (accessed 2026-10-26).