Novexa NS-5521 Core 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Novexa · SKU NS5521-CORE · Released 2023 · Updated 2026-10-24
Key facts
| Benchmark index | 4,153 (NAS Systems scale) |
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| Category rank | #5,486 |
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| Street price | $789 |
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| Power | 43 W |
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| Performance per dollar | 5.26 |
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| Released | 2023 |
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Specifications
| Brand | Novexa |
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| Model | Novexa NS-5521 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 | 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-4450 Edge 2-Bay NAS (1GbE) | 2,843 | $369 | Compare |
| Halcyra NS-4336 Ultra 6-Bay NAS (10GbE, M.2 Cache) | 6,133 | $1,609 | Compare |
| Novexa NS-7896 Ti 4-Bay NAS (1GbE, M.2 Cache) | 4,392 | $819 | Compare |
| Mirenta NS-9834 XT 4-Bay NAS (1GbE, M.2 Cache) | 3,575 | $569 | Compare |
| Halcyra NS-8644 Ultra 4-Bay NAS (2.5GbE, M.2 Cache) | 4,420 | $999 | Compare |
| Novexa NS-1457 XT 8-Bay NAS (10GbE, M.2 Cache) | 5,677 | $1,689 | Compare |
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Cite this page: Hardware Spec Index, “Novexa NS-5521 Core 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/227043 (accessed 2026-10-24).