Halcyra NS-3991 Plus 8-Bay NAS (10GbE, M.2 Cache)
NAS Systems · Halcyra · SKU NS3991-PLUS · Released 2025 · Updated 2026-10-18
Key facts
| Benchmark index | 6,470 (NAS Systems scale) |
|---|
| Category rank | #47,156 |
|---|
| Street price | $1,909 |
|---|
| Power | 72 W |
|---|
| Performance per dollar | 3.39 |
|---|
| Released | 2025 |
|---|
Specifications
| Brand | Halcyra |
|---|
| Model | Halcyra NS-3991 Plus |
|---|
| Drive bays | 8× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 224 TB |
|---|
| Processor | 4-core x86, up to 3.4 GHz |
|---|
| Memory | 32 GB DDR5 ECC |
|---|
| Network | 1× 10GbE + 2× 2.5GbE |
|---|
| 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 2 (10Gbps) |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Halcyra NS-7516 Prime 4-Bay NAS (2.5GbE) | 3,111 | $469 | Compare |
| Novexa NS-8263 Core 2-Bay NAS (1GbE) | 2,870 | $369 | Compare |
| Novexa NS-7392 Core 8-Bay NAS (10GbE, M.2 Cache) | 6,345 | $1,859 | Compare |
| Novexa NS-7258 Plus 6-Bay NAS (1GbE, M.2 Cache) | 5,128 | $1,209 | Compare |
| Mirenta NS-1936 SE 4-Bay NAS (2.5GbE) | 3,169 | $499 | Compare |
| Halcyra NS-4702 Ultra 2-Bay NAS (2.5GbE) | 2,671 | $389 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Halcyra NS-3991 Plus 8-Bay NAS (10GbE, M.2 Cache)”, https://vextor7.com/item/4374205 (accessed 2026-10-18).