Novexa NS-6851 Ultra 4-Bay NAS (2.5GbE)
NAS Systems · Novexa · SKU NS6851-ULTRA · Released 2022 · Updated 2026-10-19
Key facts
| Benchmark index | 2,792 (NAS Systems scale) |
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| Category rank | #563 |
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| Street price | $409 |
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| Power | 40 W |
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| Performance per dollar | 6.83 |
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| Released | 2022 |
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Specifications
| Brand | Novexa |
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| Model | Novexa NS-6851 Ultra |
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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 | 4 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 0/1/5/6/10, 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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| Model | Benchmark | Price | Compare |
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| Kestrix NS-2604 Ultra 4-Bay NAS (2.5GbE, M.2 Cache) | 4,397 | $829 | Compare |
| Novexa NS-4956 Ti 12-Bay NAS (10GbE, M.2 Cache) | 6,372 | $1,949 | Compare |
| Novexa NS-6413 SE 4-Bay NAS (1GbE, M.2 Cache) | 3,775 | $719 | Compare |
| Halcyra NS-7786 SE 4-Bay NAS (2.5GbE, M.2 Cache) | 4,332 | $889 | Compare |
| Novexa NS-9900 SE 4-Bay NAS (2.5GbE, M.2 Cache) | 3,607 | $649 | Compare |
| Kestrix NS-4136 XT 2-Bay NAS (2.5GbE) | 2,306 | $239 | Compare |
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Cite this page: Hardware Spec Index, “Novexa NS-6851 Ultra 4-Bay NAS (2.5GbE)”, https://vextor7.com/item/6420682 (accessed 2026-10-19).