Asus’ 2025 XG Mobile eGPU with Thunderbolt 5 combines compact power and portability. Unlike traditional gaming PCs, this device offers impressive power in a compact, single-cable solution. When you plug your laptop or handheld into the just-announced 2025 Asus XG Mobile, it promises to add the power of Nvidia’s top-flight GeForce RTX 5090 mobile chip, up to 140 watts of electricity, two monitors, a USB and SD-card-reading hub, and 5Gbps ethernet simultaneously.