Mirenta NS-9939 Plus 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Mirenta · SKU NS9939-PLUS · Released 2023 · Updated 2026-10-26
Key facts
| Benchmark index | 3,992 (NAS Systems scale) |
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| Category rank | #31,850 |
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| Street price | $649 |
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| Power | 42 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-9939 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 | 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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| Kestrix NS-5344 SE 8-Bay NAS (10GbE, M.2 Cache) | 6,409 | $1,899 | Compare |
| Mirenta NS-7661 Core 4-Bay NAS (2.5GbE) | 2,976 | $419 | Compare |
| Mirenta NS-6282 Max 12-Bay NAS (10GbE, M.2 Cache) | 6,724 | $2,119 | Compare |
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| Halcyra NS-2051 Plus 2-Bay NAS (1GbE) | 3,067 | $499 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-9939 Plus 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/21924904 (accessed 2026-10-26).