Kestrix LX-3900 Ultra 18" Gaming Laptop (16GB GDDR6)
Laptops · Kestrix · SKU LX3900-ULTRA · Released 2023 · Updated 2026-10-25
Key facts
| Benchmark index | 18,581 (Laptops scale) |
|---|---|
| Category rank | #25,394 |
| Street price | $1,829 |
| Power | 280 W (charger) |
| Performance per dollar | 10.16 |
| Released | 2023 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-3900 Ultra |
| Class | Gaming |
| Processor | 12-core mobile CPU, up to 5.1 GHz |
| Graphics | Discrete, 16GB GDDR6, 175 W |
| NPU | None |
| Memory | 32 GB DDR5-5600 SO-DIMM (2 slots, upgradable) |
| Storage | 1 TB PCIe 4.0 NVMe (M.2 2280) |
| Display | 18" 2560×1600 240 Hz Mini-LED |
| Battery | 90 Wh |
| Weight | 2.81 kg |
| Ports | 2× Thunderbolt 4 / USB4 (40Gbps), 1× USB-A 10Gbps, HDMI 2.1 |
| Wireless | Wi-Fi 6E + Bluetooth 5.3 |
| Charger | 280 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-3900 Ultra 18" Gaming Laptop (16GB GDDR6)”, https://vextor7.com/item/41498246 (accessed 2026-10-25).