Halcyra NS-5251 Pro 4-Bay NAS (2.5GbE)
NAS Systems · Halcyra · SKU NS5251-PRO · Released 2022 · Updated 2026-10-20
Key facts
| Benchmark index | 2,344 (NAS Systems scale) |
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| Category rank | #29,103 |
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| Street price | $309 |
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| Power | 39 W |
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| Performance per dollar | 7.59 |
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| Released | 2022 |
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Specifications
| Brand | Halcyra |
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| Model | Halcyra NS-5251 Pro |
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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 | 2 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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| Model | Benchmark | Price | Compare |
|---|
| Kestrix NS-3579 Ti 6-Bay NAS (2.5GbE, M.2 Cache) | 5,254 | $1,319 | Compare |
| Mirenta NS-1454 Ultra 4-Bay NAS (2.5GbE, M.2 Cache) | 4,873 | $1,049 | Compare |
| Mirenta NS-9134 Core 2-Bay NAS (1GbE) | 3,431 | $479 | Compare |
| Mirenta NS-2654 Ti 6-Bay NAS (2.5GbE, M.2 Cache) | 4,550 | $1,009 | Compare |
| Kestrix NS-7794 XT 8-Bay NAS (2.5GbE, M.2 Cache) | 5,339 | $1,479 | Compare |
| Halcyra NS-2903 Core 5-Bay NAS (2.5GbE, M.2 Cache) | 4,253 | $859 | Compare |
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Cite this page: Hardware Spec Index, “Halcyra NS-5251 Pro 4-Bay NAS (2.5GbE)”, https://vextor7.com/item/3544259 (accessed 2026-10-20).