Mirenta NS-3861 Ultra 8-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Mirenta · SKU NS3861-ULTRA · Released 2025 · Updated 2026-10-20
Key facts
| Benchmark index | 5,270 (NAS Systems scale) |
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| Category rank | #46,738 |
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| Street price | $1,299 |
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| Power | 69 W |
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| Performance per dollar | 4.06 |
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| Released | 2025 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-3861 Ultra |
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| Drive bays | 8× 3.5"/2.5" SATA, hot-swappable |
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| Max raw capacity | 224 TB |
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| Processor | 4-core x86, up to 3.2 GHz |
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| Memory | 8 GB DDR5 |
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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 | 1× PCIe 4.0 x4 slot |
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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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| Halcyra NS-6694 SE 4-Bay NAS (2.5GbE, M.2 Cache) | 3,882 | $719 | Compare |
| Halcyra NS-1571 Prime 5-Bay NAS (2.5GbE, M.2 Cache) | 5,453 | $1,539 | Compare |
| Mirenta NS-4175 Plus 2-Bay NAS (2.5GbE) | 1,313 | $159 | Compare |
| Mirenta NS-3890 Pro 12-Bay NAS (10GbE, M.2 Cache) | 5,725 | $1,699 | Compare |
| Halcyra NS-7415 Prime 4-Bay NAS (2.5GbE, M.2 Cache) | 3,692 | $639 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-3861 Ultra 8-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/20053846 (accessed 2026-10-20).