Mirenta NS-6491 Plus 4-Bay NAS (2.5GbE)
NAS Systems · Mirenta · SKU NS6491-PLUS · Released 2023 · Updated 2026-10-22
Key facts
| Benchmark index | 2,885 (NAS Systems scale) |
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| Category rank | #44,241 |
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| Street price | $469 |
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| Power | 40 W |
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| Performance per dollar | 6.15 |
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| Released | 2023 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-6491 Plus |
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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× 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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| Novexa NS-3559 Ultra 4-Bay NAS (1GbE, M.2 Cache) | 4,920 | $1,109 | Compare |
| Novexa NS-9744 Max 6-Bay NAS (10GbE, M.2 Cache) | 6,255 | $1,929 | Compare |
| Novexa NS-8734 Core 4-Bay NAS (2.5GbE) | 2,375 | $249 | Compare |
| Novexa NS-2489 Ti 8-Bay NAS (10GbE, M.2 Cache) | 6,663 | $2,429 | Compare |
| Mirenta NS-4530 Core 6-Bay NAS (1GbE, M.2 Cache) | 5,710 | $1,559 | Compare |
| Halcyra NS-5671 Plus 4-Bay NAS (2.5GbE) | 2,930 | $479 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-6491 Plus 4-Bay NAS (2.5GbE)”, https://vextor7.com/item/6442925 (accessed 2026-10-22).