Halcyra NS-3666 Plus 2-Bay NAS (2.5GbE)
NAS Systems · Halcyra · SKU NS3666-PLUS · Released 2022 · Updated 2026-10-20
Key facts
| Benchmark index | 1,311 (NAS Systems scale) |
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| Category rank | #9,105 |
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| Street price | $159 |
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| Power | 24 W |
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| Performance per dollar | 8.25 |
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| Released | 2022 |
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Specifications
| Brand | Halcyra |
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| Model | Halcyra NS-3666 Plus |
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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-3810 Ultra 4-Bay NAS (2.5GbE) | 3,248 | $499 | Compare |
| Novexa NS-2445 Core 6-Bay NAS (2.5GbE, M.2 Cache) | 5,043 | $1,029 | Compare |
| Mirenta NS-3991 Ultra 4-Bay NAS (2.5GbE, M.2 Cache) | 3,592 | $549 | Compare |
| Kestrix NS-5323 SE 5-Bay NAS (1GbE, M.2 Cache) | 4,870 | $1,079 | Compare |
| Kestrix NS-6004 XT 2-Bay NAS (1GbE) | 2,054 | $239 | Compare |
| Halcyra NS-2881 SE 8-Bay NAS (10GbE, M.2 Cache) | 6,607 | $2,139 | Compare |
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Cite this page: Hardware Spec Index, “Halcyra NS-3666 Plus 2-Bay NAS (2.5GbE)”, https://vextor7.com/item/5333579 (accessed 2026-10-20).