Mirenta NS-2991 Core 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Mirenta · SKU NS2991-CORE · Released 2022 · Updated 2026-10-24
Key facts
| Benchmark index | 4,225 (NAS Systems scale) |
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| Category rank | #6,046 |
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| Street price | $869 |
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| Power | 43 W |
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| Performance per dollar | 4.86 |
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| Released | 2022 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-2991 Core |
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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 | 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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| Novexa NS-5869 Ultra 6-Bay NAS (2.5GbE, M.2 Cache) | 5,775 | $1,379 | Compare |
| Novexa NS-2489 Core 4-Bay NAS (2.5GbE) | 3,033 | $419 | Compare |
| Halcyra NS-9215 XT 12-Bay NAS (10GbE, M.2 Cache) | 7,400 | $2,499 | Compare |
| Halcyra NS-6579 Pro 6-Bay NAS (10GbE, M.2 Cache) | 6,319 | $1,599 | Compare |
| Mirenta NS-6667 Core 4-Bay NAS (2.5GbE, M.2 Cache) | 4,259 | $749 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-2991 Core 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/20068782 (accessed 2026-10-24).