Mirenta NS-9821 Ultra 2-Bay NAS (1GbE)
NAS Systems · Mirenta · SKU NS9821-ULTRA · Released 2021 · Updated 2026-10-25
Key facts
| Benchmark index | 1,687 (NAS Systems scale) |
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| Category rank | #31,111 |
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| Street price | $189 |
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| Power | 25 W |
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| Performance per dollar | 8.93 |
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| Released | 2021 |
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Specifications
| Brand | Mirenta |
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| Model | Mirenta NS-9821 Ultra |
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| Drive bays | 2× 3.5"/2.5" SATA, hot-swappable |
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| Max raw capacity | 48 TB |
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| Processor | 4-core ARM, 1.7 GHz |
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| Memory | 2 GB DDR4 |
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| Network | 2× 1GbE |
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| M.2 NVMe slots | None |
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| PCIe expansion | None |
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| RAID | RAID 0/1, 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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| Kestrix NS-3410 Ultra 8-Bay NAS (10GbE, M.2 Cache) | 6,481 | $1,999 | Compare |
| Novexa NS-7594 Plus 2-Bay NAS (1GbE) | 1,542 | $159 | Compare |
| Mirenta NS-2983 Prime 4-Bay NAS (2.5GbE) | 2,061 | $259 | Compare |
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Cite this page: Hardware Spec Index, “Mirenta NS-9821 Ultra 2-Bay NAS (1GbE)”, https://vextor7.com/item/7511972 (accessed 2026-10-25).