Halcyra NS-6991 SE 4-Bay NAS (2.5GbE)
NAS Systems · Halcyra · SKU NS6991-SE · Released 2025 · Updated 2026-10-26
Key facts
| Benchmark index | 3,049 (NAS Systems scale) |
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| Category rank | #12,239 |
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| Street price | $409 |
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| Power | 40 W |
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| Performance per dollar | 7.45 |
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| Released | 2025 |
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Specifications
| Brand | Halcyra |
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| Model | Halcyra NS-6991 SE |
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| Drive bays | 4× 3.5"/2.5" SATA, hot-swappable |
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| Max raw capacity | 112 TB |
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| Processor | 4-core ARM, 1.7 GHz |
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| Memory | 4 GB DDR4 |
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| Network | 2× 2.5GbE |
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| M.2 NVMe slots | None |
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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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| Halcyra NS-4205 Ti 8-Bay NAS (2.5GbE, M.2 Cache) | 5,679 | $1,279 | Compare |
| Halcyra NS-9224 Prime 4-Bay NAS (2.5GbE, M.2 Cache) | 4,939 | $1,119 | Compare |
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Cite this page: Hardware Spec Index, “Halcyra NS-6991 SE 4-Bay NAS (2.5GbE)”, https://vextor7.com/item/31587125 (accessed 2026-10-26).