Mirenta NS-4091 Ultra 4-Bay NAS (2.5GbE)
NAS Systems · Mirenta · SKU NS4091-ULTRA · Released 2026 · Updated 2026-10-22
Key facts
| Benchmark index | 2,960 (NAS Systems scale) |
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| Category rank | #4,359 |
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| Street price | $439 |
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| Power | 40 W |
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| Performance per dollar | 6.74 |
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| Released | 2026 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-4091 Ultra |
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| Drive bays | 4× 3.5"/2.5" SATA, hot-swappable |
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| Max raw capacity | 112 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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| Kestrix NS-2761 SE 8-Bay NAS (2.5GbE, M.2 Cache) | 5,600 | $1,409 | Compare |
| Mirenta NS-4081 Ultra 2-Bay NAS (2.5GbE) | 1,452 | $169 | Compare |
| Novexa NS-3820 Core 5-Bay NAS (2.5GbE, M.2 Cache) | 3,561 | $619 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-4091 Ultra 4-Bay NAS (2.5GbE)”, https://vextor7.com/item/9577475 (accessed 2026-10-22).