Novexa NS-4821 Ultra 12-Bay NAS (10GbE, M.2 Cache)
NAS Systems · Novexa · SKU NS4821-ULTRA · Released 2020 · Updated 2026-10-24
Key facts
| Benchmark index | 5,698 (NAS Systems scale) |
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| Category rank | #30,463 |
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| Street price | $1,699 |
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| Power | 95 W |
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| Performance per dollar | 3.35 |
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| Released | 2020 |
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Specifications
| Brand | Novexa |
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| Model | Novexa NS-4821 Ultra |
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| Drive bays | 12× 3.5"/2.5" SATA, hot-swappable |
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| Max raw capacity | 288 TB |
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| Processor | 6-core x86, up to 3.4 GHz |
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| Memory | 8 GB DDR4 |
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| Network | 1× 10GbE + 2× 2.5GbE |
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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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| Mirenta NS-4592 Ultra 12-Bay NAS (10GbE, M.2 Cache) | 6,767 | $2,269 | Compare |
| Novexa NS-9307 SE 4-Bay NAS (1GbE, M.2 Cache) | 3,978 | $659 | Compare |
| Mirenta NS-1500 Ultra 5-Bay NAS (2.5GbE, M.2 Cache) | 5,780 | $1,589 | Compare |
| Novexa NS-9872 Plus 5-Bay NAS (1GbE, M.2 Cache) | 4,538 | $859 | Compare |
| Novexa NS-3898 Pro 6-Bay NAS (2.5GbE, M.2 Cache) | 5,044 | $1,309 | Compare |
| Kestrix NS-4678 Plus 4-Bay NAS (2.5GbE, M.2 Cache) | 4,411 | $969 | Compare |
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Cite this page: Hardware Spec Index, “Novexa NS-4821 Ultra 12-Bay NAS (10GbE, M.2 Cache)”, https://vextor7.com/item/17813422 (accessed 2026-10-24).