Halcyra NS-1821 Ultra 5-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Halcyra · SKU NS1821-ULTRA · Released 2020 · Updated 2026-10-19
Key facts
| Benchmark index | 4,285 (NAS Systems scale) |
|---|
| Category rank | #42,720 |
|---|
| Street price | $839 |
|---|
| Power | 49 W |
|---|
| Performance per dollar | 5.11 |
|---|
| Released | 2020 |
|---|
Specifications
| Brand | Halcyra |
|---|
| Model | Halcyra NS-1821 Ultra |
|---|
| Drive bays | 5× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 120 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 4 GB DDR4 |
|---|
| Network | 2× 1GbE |
|---|
| 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 1 |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Halcyra NS-1566 Ultra 12-Bay NAS (10GbE, M.2 Cache) | 7,353 | $2,379 | Compare |
| Novexa NS-7392 XT 12-Bay NAS (10GbE, M.2 Cache) | 6,612 | $1,939 | Compare |
| Novexa NS-2426 Core 2-Bay NAS (2.5GbE) | 2,417 | $299 | Compare |
| Novexa NS-3093 Ti 4-Bay NAS (2.5GbE, M.2 Cache) | 4,195 | $889 | Compare |
| Novexa NS-3741 SE 6-Bay NAS (2.5GbE, M.2 Cache) | 5,058 | $1,169 | Compare |
| Halcyra NS-8169 Edge 2-Bay NAS (1GbE) | 2,267 | $279 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Halcyra NS-1821 Ultra 5-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/700114 (accessed 2026-10-19).