Kestrix NS-6644 Pro 4-Bay NAS (2.5GbE)
NAS Systems · Kestrix · SKU NS6644-PRO · Released 2023 · Updated 2026-10-19
Key facts
| Benchmark index | 2,604 (NAS Systems scale) |
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| Category rank | #16,586 |
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| Street price | $319 |
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| Power | 39 W |
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| Performance per dollar | 8.16 |
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| Released | 2023 |
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Specifications
| Brand | Kestrix |
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| Model | Kestrix NS-6644 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× 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 | Btrfs, ext4 |
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| USB | 2× USB 3.2 Gen 2 (10Gbps) |
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Related guides
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| Novexa NS-2826 Max 4-Bay NAS (2.5GbE, M.2 Cache) | 3,656 | $599 | Compare |
| Mirenta NS-8587 Edge 2-Bay NAS (2.5GbE, M.2 Cache) | 3,664 | $529 | Compare |
| Mirenta NS-2790 Prime 8-Bay NAS (10GbE, M.2 Cache) | 7,400 | $2,499 | Compare |
| Novexa NS-3792 Prime 2-Bay NAS (1GbE) | 1,468 | $169 | Compare |
| Kestrix NS-1173 Max 5-Bay NAS (1GbE, M.2 Cache) | 3,724 | $619 | Compare |
| Mirenta NS-7951 Plus 8-Bay NAS (10GbE, M.2 Cache) | 6,336 | $1,869 | Compare |
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Cite this page: Hardware Spec Index, “Kestrix NS-6644 Pro 4-Bay NAS (2.5GbE)”, https://vextor7.com/item/549666 (accessed 2026-10-19).