Razer Core X Ultraboost Your Ultrabook The Razer Core X Thunderbolt 3 external desktop graphics enclosure turns your compatible Windows 10 or Mac laptop into a desktop-class gaming machine by adding external NVIDIA GeForce, NVIDIA Quadro, or AMD Radeon graphics. The massive 650W power supply fuels the graphics card and provides 100W power delivery to compatible laptops via USB-C. Beauty meets beast with the ultimate external graphics solution. Note: Graphics card sold separately. PCIe Desktop Graphics Cards Support For Desktop-Class Performance The Razer Core X features support for the latest PCIe desktop graphics cards including NVIDIA GeForce and AMD XConnect enabled Radeon cards. Highly mobile developers can now harness the power of compatible NVIDIA Quadro cards for professional graphics performance.