Kestrix NS-3964 Pro 4-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS3964-PRO · Released 2021 · Updated 2026-10-22
Key facts
| Benchmark index | 4,122 (NAS Systems scale) |
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| Category rank | #30,119 |
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| Street price | $839 |
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| Power | 43 W |
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| Performance per dollar | 4.91 |
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| Released | 2021 |
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Specifications
| Brand | Kestrix |
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| Model | Kestrix NS-3964 Pro |
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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× 1GbE |
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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 | 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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| Halcyra NS-8475 Pro 4-Bay NAS (2.5GbE) | 3,160 | $459 | Compare |
| Novexa NS-9284 SE 2-Bay NAS (2.5GbE) | 2,620 | $329 | Compare |
| Kestrix NS-4552 Max 8-Bay NAS (10GbE, M.2 Cache) | 6,661 | $2,009 | Compare |
| Halcyra NS-8540 Core 4-Bay NAS (1GbE) | 2,129 | $239 | Compare |
| Kestrix NS-5840 Max 8-Bay NAS (2.5GbE, M.2 Cache) | 4,898 | $1,129 | Compare |
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Cite this page: Hardware Spec Index, “Kestrix NS-3964 Pro 4-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/20135231 (accessed 2026-10-22).