Kestrix LX-4421 Ultra 17.3" Gaming Laptop (8GB GDDR6)
Laptops · Kestrix · SKU LX4421-ULTRA · Released 2020 · Updated 2026-10-24
Key facts
| Benchmark index | 28,400 (Laptops scale) |
|---|---|
| Category rank | #5,029 |
| Street price | $3,999 |
| Power | 280 W (charger) |
| Performance per dollar | 7.10 |
| Released | 2020 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-4421 Ultra |
| Class | Gaming |
| Processor | 8-core mobile CPU, up to 5.4 GHz |
| Graphics | Discrete, 8GB GDDR6, 130 W |
| NPU | None |
| Memory | 64 GB DDR4-3200 SO-DIMM (2 slots, upgradable) |
| Storage | 4 TB PCIe 4.0 NVMe (M.2 2280) |
| Display | 17.3" 2560×1440 240 Hz IPS |
| Battery | 99 Wh |
| Weight | 3.29 kg |
| Ports | 1× USB-C 10Gbps, 2× USB-A 5Gbps, HDMI 2.0 |
| Wireless | Wi-Fi 6 + Bluetooth 5.1 |
| Charger | 280 W barrel |
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-4421 Ultra 17.3" Gaming Laptop (8GB GDDR6)”, https://vextor7.com/item/7925995 (accessed 2026-10-24).