Kestrix LX-4221 Ultra 18" Gaming Laptop (8GB GDDR6)
Laptops · Kestrix · SKU LX4221-ULTRA · Released 2023 · Updated 2026-10-22
Key facts
| Benchmark index | 22,846 (Laptops scale) |
|---|---|
| Category rank | #6,488 |
| Street price | $2,279 |
| Power | 230 W (charger) |
| Performance per dollar | 10.02 |
| Released | 2023 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-4221 Ultra |
| Class | Gaming |
| Processor | 12-core mobile CPU, up to 5.2 GHz |
| Graphics | Discrete, 8GB GDDR6, 125 W |
| NPU | None |
| Memory | 64 GB LPDDR5X-7500 (soldered) |
| Storage | 2 TB PCIe 4.0 NVMe (M.2 2280) |
| Display | 18" 3840×2400 120 Hz Mini-LED |
| Battery | 80 Wh |
| Weight | 2.96 kg |
| Ports | 2× Thunderbolt 4 / USB4 (40Gbps), 1× USB-A 10Gbps, HDMI 2.1 |
| Wireless | Wi-Fi 6E + Bluetooth 5.3 |
| Charger | 230 W barrel |
Related guides
DDR5 Memory ExplainedWi-Fi 6E ExplainedUSB4 ExplainedNPUs and AI PCsThunderbolt 5 ExplainedWi-Fi 7 (802.11be) Explained
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Cite this page: Hardware Spec Index, “Kestrix LX-4221 Ultra 18" Gaming Laptop (8GB GDDR6)”, https://vextor7.com/item/1003663 (accessed 2026-10-22).