Halcyra NS-4091 XT 4-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Halcyra · SKU NS4091-XT · Released 2020 · Updated 2026-10-22
Key facts
| Benchmark index | 3,691 (NAS Systems scale) |
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| Category rank | #36,510 |
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| Street price | $619 |
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| Power | 42 W |
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| Performance per dollar | 5.96 |
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| Released | 2020 |
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Specifications
| Brand | Halcyra |
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| Model | Halcyra NS-4091 XT |
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| Drive bays | 4× 3.5"/2.5" SATA, hot-swappable |
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| Max raw capacity | 96 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× 1GbE |
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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 1 |
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Related guides
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| Novexa NS-3940 Ultra 4-Bay NAS (2.5GbE, M.2 Cache) | 4,383 | $769 | Compare |
| Novexa NS-6443 Ultra 4-Bay NAS (2.5GbE, M.2 Cache) | 3,855 | $659 | Compare |
| Halcyra NS-6385 Pro 2-Bay NAS (2.5GbE) | 2,325 | $269 | Compare |
| Kestrix NS-2878 Ultra 4-Bay NAS (2.5GbE) | 3,312 | $519 | Compare |
| Halcyra NS-5981 Plus 6-Bay NAS (2.5GbE, M.2 Cache) | 5,548 | $1,409 | Compare |
| Kestrix NS-8075 Plus 6-Bay NAS (2.5GbE, M.2 Cache) | 5,262 | $1,529 | Compare |
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Cite this page: Hardware Spec Index, “Halcyra NS-4091 XT 4-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/6997548 (accessed 2026-10-22).