Kestrix NS-5140 Ultra 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS5140-ULTRA · Released 2023 · Updated 2026-10-22
Key facts
| Benchmark index | 4,006 (NAS Systems scale) |
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| Category rank | #5,580 |
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| Street price | $739 |
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| Power | 43 W |
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| Performance per dollar | 5.42 |
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| Released | 2023 |
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Specifications
| Brand | Kestrix |
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| Model | Kestrix NS-5140 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 | 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 2 (10Gbps) |
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Related guides
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| Model | Benchmark | Price | Compare |
|---|
| Halcyra NS-4633 Core 2-Bay NAS (2.5GbE) | 2,599 | $339 | Compare |
| Mirenta NS-8579 Max 6-Bay NAS (10GbE, M.2 Cache) | 6,342 | $1,549 | Compare |
| Mirenta NS-3163 Core 2-Bay NAS (1GbE) | 1,716 | $219 | Compare |
| Kestrix NS-3052 Core 5-Bay NAS (1GbE, M.2 Cache) | 4,520 | $1,049 | Compare |
| Kestrix NS-4884 XT 8-Bay NAS (10GbE, M.2 Cache) | 7,400 | $2,339 | Compare |
| Kestrix NS-5374 XT 5-Bay NAS (2.5GbE, M.2 Cache) | 5,487 | $1,739 | Compare |
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Cite this page: Hardware Spec Index, “Kestrix NS-5140 Ultra 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/2127213 (accessed 2026-10-22).