Halcyra NS-4491 Ultra 2-Bay NAS (1GbE)
NAS Systems · Halcyra · SKU NS4491-ULTRA · Released 2021 · Updated 2026-10-19
Key facts
| Benchmark index | 1,659 (NAS Systems scale) |
|---|
| Category rank | #36,474 |
|---|
| Street price | $179 |
|---|
| Power | 25 W |
|---|
| Performance per dollar | 9.27 |
|---|
| Released | 2021 |
|---|
Specifications
| Brand | Halcyra |
|---|
| Model | Halcyra NS-4491 Ultra |
|---|
| Drive bays | 2× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 48 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 2 GB DDR4 |
|---|
| Network | 2× 1GbE |
|---|
| M.2 NVMe slots | None |
|---|
| PCIe expansion | None |
|---|
| RAID | RAID 0/1, JBOD |
|---|
| File system | Btrfs, ext4 |
|---|
| USB | 2× USB 3.2 Gen 1 |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Novexa NS-9901 Edge 4-Bay NAS (2.5GbE) | 2,069 | $259 | Compare |
| Novexa NS-5511 Max 2-Bay NAS (2.5GbE) | 1,549 | $179 | Compare |
| Kestrix NS-3289 XT 12-Bay NAS (10GbE, M.2 Cache) | 5,989 | $1,699 | Compare |
| Novexa NS-1520 Plus 6-Bay NAS (2.5GbE, M.2 Cache) | 4,577 | $1,009 | Compare |
| Novexa NS-1700 Plus 4-Bay NAS (2.5GbE, M.2 Cache) | 4,284 | $899 | Compare |
| Novexa NS-3049 SE 2-Bay NAS (1GbE) | 1,486 | $149 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Halcyra NS-4491 Ultra 2-Bay NAS (1GbE)”, https://vextor7.com/item/17568970 (accessed 2026-10-19).