Halcyra NS-6691 Prime 4-Bay NAS (1GbE)
NAS Systems · Halcyra · SKU NS6691-PRIME · Released 2020 · Updated 2026-10-23
Key facts
| Benchmark index | 2,890 (NAS Systems scale) |
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| Category rank | #44,903 |
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| Street price | $399 |
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| Power | 40 W |
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| Performance per dollar | 7.24 |
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| Released | 2020 |
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Specifications
| Brand | Halcyra |
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| Model | Halcyra NS-6691 Prime |
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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 | 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 | 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 |
|---|
| Novexa NS-3361 Prime 5-Bay NAS (1GbE, M.2 Cache) | 3,920 | $759 | Compare |
| Kestrix NS-3325 Ti 4-Bay NAS (2.5GbE, M.2 Cache) | 4,268 | $809 | Compare |
| Mirenta NS-2903 Pro 8-Bay NAS (10GbE, M.2 Cache) | 6,879 | $2,279 | Compare |
| Halcyra NS-5927 Plus 2-Bay NAS (1GbE) | 2,429 | $289 | Compare |
| Halcyra NS-9853 SE 8-Bay NAS (2.5GbE, M.2 Cache) | 5,075 | $1,339 | Compare |
| Mirenta NS-2801 Core 5-Bay NAS (2.5GbE, M.2 Cache) | 3,778 | $589 | Compare |
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Cite this page: Hardware Spec Index, “Halcyra NS-6691 Prime 4-Bay NAS (1GbE)”, https://vextor7.com/item/12072005 (accessed 2026-10-23).