Halcyra NS-6491 SE 6-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Halcyra · SKU NS6491-SE · Released 2024 · Updated 2026-10-23
Key facts
| Benchmark index | 4,548 (NAS Systems scale) |
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| Category rank | #9,008 |
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| Street price | $999 |
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| Power | 57 W |
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| Performance per dollar | 4.55 |
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| Released | 2024 |
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Specifications
| Brand | Halcyra |
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| Model | Halcyra NS-6491 SE |
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| Drive bays | 6× 3.5"/2.5" SATA, hot-swappable |
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| Max raw capacity | 144 TB |
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| Processor | 4-core x86, up to 3.2 GHz |
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| Memory | 16 GB DDR5 ECC |
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| Network | 2× 2.5GbE |
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| M.2 NVMe slots | 2× (cache or storage pool) |
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| PCIe expansion | None |
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| RAID | RAID 0/1/5/6/10, JBOD |
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| File system | ZFS |
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| USB | 2× USB 3.2 Gen 2 (10Gbps) |
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Related guides
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Cite this page: Hardware Spec Index, “Halcyra NS-6491 SE 6-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/4340650 (accessed 2026-10-23).