Halcyra NS-5891 Max 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Halcyra · SKU NS5891-MAX · Released 2026 · Updated 2026-10-24
Key facts
| Benchmark index | 4,161 (NAS Systems scale) |
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| Category rank | #48,984 |
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| Street price | $709 |
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| Power | 43 W |
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| Performance per dollar | 5.87 |
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| Released | 2026 |
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Specifications
| Brand | Halcyra |
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| Model | Halcyra NS-5891 Max |
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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 | 8 GB DDR4 |
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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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|---|
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| Novexa NS-7543 XT 2-Bay NAS (2.5GbE) | 2,973 | $419 | Compare |
| Halcyra NS-3543 Core 8-Bay NAS (1GbE, M.2 Cache) | 5,681 | $1,379 | Compare |
| Kestrix NS-2734 Max 5-Bay NAS (2.5GbE, M.2 Cache) | 4,565 | $1,099 | Compare |
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| Halcyra NS-3057 Plus 4-Bay NAS (2.5GbE, M.2 Cache) | 3,368 | $669 | Compare |
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Cite this page: Hardware Spec Index, “Halcyra NS-5891 Max 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/19784825 (accessed 2026-10-24).