Novexa NS-2421 Ultra 2-Bay NAS (2.5GbE)
NAS Systems · Novexa · SKU NS2421-ULTRA · Released 2023 · Updated 2026-10-20
Key facts
| Benchmark index | 1,746 (NAS Systems scale) |
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| Category rank | #47,625 |
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| Street price | $189 |
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| Power | 25 W |
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| Performance per dollar | 9.24 |
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| Released | 2023 |
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Specifications
| Brand | Novexa |
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| Model | Novexa NS-2421 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× 2.5GbE |
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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 | 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-2533 Core 6-Bay NAS (2.5GbE, M.2 Cache) | 4,692 | $979 | Compare |
| Kestrix NS-1471 SE 8-Bay NAS (10GbE, M.2 Cache) | 6,851 | $2,069 | Compare |
| Novexa NS-7722 Ultra 2-Bay NAS (1GbE) | 3,151 | $469 | Compare |
| Kestrix NS-4156 Ultra 8-Bay NAS (2.5GbE, M.2 Cache) | 5,562 | $1,229 | Compare |
| Novexa NS-7564 Pro 12-Bay NAS (10GbE, M.2 Cache) | 6,781 | $1,849 | Compare |
| Kestrix NS-6289 Prime 4-Bay NAS (1GbE, M.2 Cache) | 5,203 | $1,179 | Compare |
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Cite this page: Hardware Spec Index, “Novexa NS-2421 Ultra 2-Bay NAS (2.5GbE)”, https://vextor7.com/item/8800528 (accessed 2026-10-20).