Mirenta NS-7840 Core 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Mirenta · SKU NS7840-CORE · Released 2023 · Updated 2026-10-23
Key facts
| Benchmark index | 4,497 (NAS Systems scale) |
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| Category rank | #36,399 |
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| Street price | $839 |
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| Power | 43 W |
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| Performance per dollar | 5.36 |
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| Released | 2023 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-7840 Core |
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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 | 2× (cache or storage pool) |
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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-6826 Edge 12-Bay NAS (10GbE, M.2 Cache) | 7,150 | $1,879 | Compare |
| Mirenta NS-1741 Ultra 2-Bay NAS (1GbE) | 2,163 | $259 | Compare |
| Novexa NS-3149 Pro 6-Bay NAS (2.5GbE, M.2 Cache) | 5,642 | $1,399 | Compare |
| Mirenta NS-1484 Ti 5-Bay NAS (2.5GbE, M.2 Cache) | 5,487 | $1,429 | Compare |
| Mirenta NS-2843 Ti 5-Bay NAS (1GbE, M.2 Cache) | 5,227 | $1,369 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-7840 Core 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/891184 (accessed 2026-10-23).