Kestrix LX-4557 Ultra 14" Business Laptop
Laptops · Kestrix · SKU LX4557-ULTRA · Released 2025 · Updated 2026-10-22
Key facts
| Benchmark index | 6,875 (Laptops scale) |
|---|---|
| Category rank | #43,528 |
| Street price | $499 |
| Power | 65 W (charger) |
| Performance per dollar | 13.78 |
| Released | 2025 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-4557 Ultra |
| Class | Business |
| Processor | 10-core mobile CPU, up to 4.7 GHz |
| Graphics | Integrated graphics |
| NPU | 45 TOPS |
| Memory | 16 GB LPDDR5X-8533 (soldered) |
| Storage | 512 GB PCIe 4.0 NVMe (M.2 2280) |
| Display | 14" 1920×1200 60 Hz IPS |
| Battery | 57 Wh |
| Weight | 1.09 kg |
| Ports | 2× Thunderbolt 4 / USB4 (40Gbps), 1× USB-A 10Gbps, HDMI 2.1 |
| Wireless | Wi-Fi 7 (2×2, 320 MHz) + Bluetooth 5.4 |
| Charger | 65 W USB-C PD |
Related guides
DDR5 Memory ExplainedWi-Fi 7 (802.11be) ExplainedUSB4 ExplainedNPUs and AI PCsThunderbolt 5 ExplainedGDDR7 Memory Explained
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Cite this page: Hardware Spec Index, “Kestrix LX-4557 Ultra 14" Business Laptop”, https://vextor7.com/item/5606982 (accessed 2026-10-22).