Kestrix NS-5291 XT 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS5291-XT · Released 2023 · Updated 2026-10-25
Key facts
| Benchmark index | 3,450 (NAS Systems scale) |
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| Category rank | #9,815 |
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| Street price | $689 |
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| Power | 42 W |
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| Performance per dollar | 5.01 |
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| Released | 2023 |
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Specifications
| Brand | Kestrix |
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| Model | Kestrix NS-5291 XT |
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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 | 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-5353 Max 4-Bay NAS (2.5GbE, M.2 Cache) | 4,180 | $699 | Compare |
| Halcyra NS-8367 Plus 12-Bay NAS (10GbE, M.2 Cache) | 7,353 | $2,499 | Compare |
| Novexa NS-4609 Core 4-Bay NAS (1GbE, M.2 Cache) | 3,966 | $799 | Compare |
| Kestrix NS-3358 Ultra 2-Bay NAS (2.5GbE) | 1,762 | $189 | Compare |
| Novexa NS-1956 Pro 4-Bay NAS (2.5GbE) | 2,923 | $449 | Compare |
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Cite this page: Hardware Spec Index, “Kestrix NS-5291 XT 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/10155899 (accessed 2026-10-25).