Halcyra NS-4081 Ultra 2-Bay NAS (2.5GbE)
NAS Systems · Halcyra · SKU NS4081-ULTRA · Released 2022 · Updated 2026-10-21
Key facts
| Benchmark index | 1,692 (NAS Systems scale) |
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| Category rank | #11,940 |
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| Street price | $169 |
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| Power | 25 W |
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| Performance per dollar | 10.01 |
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| Released | 2022 |
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Specifications
| Brand | Halcyra |
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| Model | Halcyra NS-4081 Ultra |
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| Drive bays | 2× 3.5"/2.5" SATA, hot-swappable |
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| Max raw capacity | 48 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, JBOD |
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| File system | Btrfs, ext4 |
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| USB | 2× USB 3.2 Gen 2 (10Gbps) |
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Related guides
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|---|
| Kestrix NS-3030 Pro 2-Bay NAS (2.5GbE) | 1,447 | $149 | Compare |
| Kestrix NS-7635 Prime 8-Bay NAS (1GbE, M.2 Cache) | 6,084 | $1,499 | Compare |
| Novexa NS-5404 Max 2-Bay NAS (1GbE) | 2,750 | $309 | Compare |
| Halcyra NS-9122 XT 4-Bay NAS (1GbE) | 2,574 | $409 | Compare |
| Novexa NS-6614 Core 12-Bay NAS (10GbE, M.2 Cache) | 6,605 | $2,289 | Compare |
| Kestrix NS-6442 Ultra 4-Bay NAS (2.5GbE, M.2 Cache) | 3,514 | $609 | Compare |
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Cite this page: Hardware Spec Index, “Halcyra NS-4081 Ultra 2-Bay NAS (2.5GbE)”, https://vextor7.com/item/331332 (accessed 2026-10-21).