Kestrix NS-5903 Core 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS5903-CORE · Released 2026 · Updated 2026-10-24
Key facts
| Benchmark index | 3,480 (NAS Systems scale) |
|---|
| Category rank | #35,353 |
|---|
| Street price | $649 |
|---|
| Power | 42 W |
|---|
| Performance per dollar | 5.36 |
|---|
| Released | 2026 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-5903 Core |
|---|
| Drive bays | 4× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 112 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 8 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 | Btrfs, ext4 |
|---|
| USB | 2× USB 3.2 Gen 2 (10Gbps) |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Novexa NS-8168 Prime 2-Bay NAS (1GbE, M.2 Cache) | 3,610 | $569 | Compare |
| Kestrix NS-4633 Max 8-Bay NAS (10GbE, M.2 Cache) | 6,935 | $2,499 | Compare |
| Mirenta NS-8048 XT 5-Bay NAS (2.5GbE, M.2 Cache) | 4,553 | $999 | Compare |
| Mirenta NS-2920 Plus 8-Bay NAS (2.5GbE, M.2 Cache) | 5,255 | $1,279 | Compare |
| Halcyra NS-1176 Ultra 4-Bay NAS (2.5GbE, M.2 Cache) | 4,269 | $909 | Compare |
| Kestrix NS-6643 XT 12-Bay NAS (10GbE, M.2 Cache) | 7,025 | $2,189 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-5903 Core 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/46562420 (accessed 2026-10-24).