Mirenta NS-5621 Core 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Mirenta · SKU NS5621-CORE · Released 2025 · Updated 2026-10-26
Key facts
| Benchmark index | 3,734 (NAS Systems scale) |
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| Category rank | #4,393 |
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| Street price | $659 |
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| Power | 42 W |
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| Performance per dollar | 5.67 |
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| Released | 2025 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-5621 Core |
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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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| Novexa NS-8117 Edge 8-Bay NAS (10GbE, M.2 Cache) | 5,926 | $1,549 | Compare |
| Mirenta NS-9230 Ti 2-Bay NAS (2.5GbE) | 2,824 | $389 | Compare |
| Halcyra NS-7269 Plus 12-Bay NAS (10GbE, M.2 Cache) | 7,400 | $2,459 | Compare |
| Mirenta NS-9990 Core 2-Bay NAS (1GbE) | 1,766 | $179 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-5621 Core 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/83952873 (accessed 2026-10-26).