Halcyra NS-5558 Ultra 4-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Halcyra · SKU NS5558-ULTRA · Released 2020 · Updated 2026-10-19
Key facts
| Benchmark index | 4,213 (NAS Systems scale) |
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| Category rank | #4,978 |
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| Street price | $789 |
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| Power | 43 W |
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| Performance per dollar | 5.34 |
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| Released | 2020 |
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Specifications
| Brand | Halcyra |
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| Model | Halcyra NS-5558 Ultra |
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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 | Btrfs, ext4 |
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| USB | 2× USB 3.2 Gen 1 |
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Related guides
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| Model | Benchmark | Price | Compare |
|---|
| Kestrix NS-3404 Ultra 2-Bay NAS (2.5GbE) | 3,071 | $379 | Compare |
| Kestrix NS-7084 Ti 8-Bay NAS (10GbE, M.2 Cache) | 6,317 | $1,629 | Compare |
| Mirenta NS-6659 Ti 2-Bay NAS (1GbE) | 2,799 | $379 | Compare |
| Halcyra NS-3292 SE 4-Bay NAS (2.5GbE) | 2,978 | $449 | Compare |
| Kestrix NS-5281 Ultra 4-Bay NAS (1GbE, M.2 Cache) | 3,493 | $529 | Compare |
| Kestrix NS-1199 Plus 8-Bay NAS (10GbE, M.2 Cache) | 5,889 | $1,539 | Compare |
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Cite this page: Hardware Spec Index, “Halcyra NS-5558 Ultra 4-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/677309 (accessed 2026-10-19).