Mirenta NS-6991 Pro 4-Bay NAS (1GbE)
NAS Systems · Mirenta · SKU NS6991-PRO · Released 2020 · Updated 2026-10-23
Key facts
| Benchmark index | 3,168 (NAS Systems scale) |
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| Category rank | #22,798 |
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| Street price | $519 |
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| Power | 41 W |
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| Performance per dollar | 6.10 |
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| Released | 2020 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-6991 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 | 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 | ZFS |
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| USB | 2× USB 3.2 Gen 1 |
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Related guides
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| Mirenta NS-5259 Edge 8-Bay NAS (2.5GbE, M.2 Cache) | 5,889 | $1,499 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-6991 Pro 4-Bay NAS (1GbE)”, https://vextor7.com/item/9545838 (accessed 2026-10-23).