Mirenta NS-8631 Pro 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Mirenta · SKU NS8631-PRO · Released 2026 · Updated 2026-10-21
Key facts
| Benchmark index | 4,169 (NAS Systems scale) |
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| Category rank | #653 |
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| Street price | $879 |
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| Power | 43 W |
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| Performance per dollar | 4.74 |
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| Released | 2026 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-8631 Pro |
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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 | 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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| Model | Benchmark | Price | Compare |
|---|
| Mirenta NS-4861 Pro 12-Bay NAS (10GbE, M.2 Cache) | 6,526 | $2,239 | Compare |
| Kestrix NS-5927 Ultra 2-Bay NAS (2.5GbE) | 3,205 | $499 | Compare |
| Novexa NS-3419 XT 4-Bay NAS (2.5GbE) | 2,399 | $249 | Compare |
| Mirenta NS-6691 Ultra 4-Bay NAS (2.5GbE, M.2 Cache) | 3,854 | $589 | Compare |
| Kestrix NS-4547 Plus 2-Bay NAS (2.5GbE) | 2,082 | $239 | Compare |
| Mirenta NS-6980 Max 6-Bay NAS (10GbE, M.2 Cache) | 6,251 | $1,899 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-8631 Pro 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/4841485 (accessed 2026-10-21).