Mirenta NS-4855 Ultra 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Mirenta · SKU NS4855-ULTRA · Released 2026 · Updated 2026-10-19
Key facts
| Benchmark index | 4,291 (NAS Systems scale) |
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| Category rank | #32,878 |
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| Street price | $829 |
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| Power | 43 W |
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| Performance per dollar | 5.18 |
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| Released | 2026 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-4855 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 | 8 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 | Btrfs, ext4 |
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| USB | 2× USB 3.2 Gen 2 (10Gbps) |
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Related guides
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| Halcyra NS-1272 Core 8-Bay NAS (10GbE, M.2 Cache) | 6,747 | $2,029 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-4855 Ultra 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/694348 (accessed 2026-10-19).