Kestrix NS-3903 Ultra 5-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS3903-ULTRA · Released 2019 · Updated 2026-10-19
Key facts
| Benchmark index | 5,647 (NAS Systems scale) |
|---|
| Category rank | #27,191 |
|---|
| Street price | $1,559 |
|---|
| Power | 53 W |
|---|
| Performance per dollar | 3.62 |
|---|
| Released | 2019 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-3903 Ultra |
|---|
| Drive bays | 5× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 120 TB |
|---|
| Processor | 4-core x86, up to 3.3 GHz |
|---|
| Memory | 8 GB DDR4 |
|---|
| Network | 2× 1GbE |
|---|
| 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 | ZFS |
|---|
| USB | 2× USB 3.2 Gen 1 |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Mirenta NS-5226 Ti 4-Bay NAS (2.5GbE) | 2,875 | $459 | Compare |
| Mirenta NS-5168 Max 2-Bay NAS (1GbE) | 2,014 | $239 | Compare |
| Halcyra NS-4585 SE 8-Bay NAS (10GbE, M.2 Cache) | 6,936 | $2,069 | Compare |
| Mirenta NS-2719 Max 4-Bay NAS (1GbE, M.2 Cache) | 3,980 | $769 | Compare |
| Mirenta NS-9666 Max 8-Bay NAS (1GbE, M.2 Cache) | 5,229 | $1,309 | Compare |
| Novexa NS-1019 Plus 12-Bay NAS (10GbE, M.2 Cache) | 7,233 | $2,349 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-3903 Ultra 5-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/43319230 (accessed 2026-10-19).