The Razer Core x Chroma Thunderbolt 3 external desktop graphics enclosure enables full transformation of your compatible Laptop into a desktop-class gaming or workstation setup. The Thunderbolt 3 design provides dedicated lanes for both graphics and I/O ensuring fluid gameplay. Connect to the future with the most advanced and versatile eGPU solution available. Thunderbolt 3 cable length: 27.56 Inches/ 700mm, Please also ensure your laptop has the latest BIOS, firmware, Thunderbolt software, and other applicable updates before connecting to Razer Core X Chroma. Desktop-Grade Performance: Boosts Thunderbolt 3 laptop performance with support for up to 3 slot-wide PCIe full-sized desktop graphics cards (sold separately) Built-In Power Supply: Includes a 700W ATX PSU with 100W laptop charging via -Thunderbolt 3; GPU max power support up to 500W Customizable RGB Lighting: Includes 16.8 million colors available; capable of syncing with gameplay and other Razer peripherals through Synapse 3 (lighting customization not supported on macOS)