Kestrix LX-4221 Ultra 13.3" Ultrabook Laptop
Laptops · Kestrix · SKU LX4221-ULTRA · Released 2020 · Updated 2026-10-22
Key facts
| Benchmark index | 15,588 (Laptops scale) |
|---|---|
| Category rank | #15,819 |
| Street price | $1,649 |
| Power | 65 W (charger) |
| Performance per dollar | 9.45 |
| Released | 2020 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-4221 Ultra |
| Class | Ultrabook |
| Processor | 6-core mobile CPU, up to 5.0 GHz |
| Graphics | Integrated graphics |
| NPU | None |
| Memory | 32 GB LPDDR4X-4266 (soldered) |
| Storage | 1 TB PCIe 4.0 NVMe (M.2 2230) |
| Display | 13.3" 1920×1080 60 Hz IPS |
| Battery | 50 Wh |
| Weight | 1.33 kg |
| Ports | 1× USB-C 10Gbps, 2× USB-A 5Gbps, HDMI 2.0 |
| Wireless | Wi-Fi 6 + Bluetooth 5.1 |
| Charger | 65 W USB-C PD |
Related guides
NPUs and AI PCsThunderbolt 5 ExplainedUSB4 ExplainedWi-Fi 7 (802.11be) ExplainedGDDR7 Memory Explained
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Cite this page: Hardware Spec Index, “Kestrix LX-4221 Ultra 13.3" Ultrabook Laptop”, https://vextor7.com/item/63313062 (accessed 2026-10-22).