Mirenta NS-2521 Prime 5-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Mirenta · SKU NS2521-PRIME · Released 2021 · Updated 2026-10-25
Key facts
| Benchmark index | 5,192 (NAS Systems scale) |
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| Category rank | #11,330 |
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| Street price | $1,139 |
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| Power | 52 W |
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| Performance per dollar | 4.56 |
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| Released | 2021 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-2521 Prime |
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| Drive bays | 5× 3.5"/2.5" SATA, hot-swappable |
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| Max raw capacity | 120 TB |
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| Processor | 4-core x86, up to 3.2 GHz |
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| Memory | 16 GB DDR4 ECC |
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| Network | 2× 1GbE |
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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 | Btrfs, ext4 |
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| USB | 2× USB 3.2 Gen 1 |
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Related guides
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| Model | Benchmark | Price | Compare |
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| Halcyra NS-3771 Plus 5-Bay NAS (2.5GbE, M.2 Cache) | 4,559 | $849 | Compare |
| Kestrix NS-2592 Edge 2-Bay NAS (2.5GbE) | 2,116 | $229 | Compare |
| Mirenta NS-9825 Prime 12-Bay NAS (10GbE, M.2 Cache) | 6,336 | $1,699 | Compare |
| Halcyra NS-2464 Ultra 8-Bay NAS (10GbE, M.2 Cache) | 6,750 | $2,129 | Compare |
| Novexa NS-4957 Pro 6-Bay NAS (1GbE, M.2 Cache) | 4,554 | $1,029 | Compare |
| Mirenta NS-4498 XT 8-Bay NAS (10GbE, M.2 Cache) | 7,400 | $2,319 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-2521 Prime 5-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/6507898 (accessed 2026-10-25).