Features: The HA 36 Expansion Dock features a hot swappable GPU base for wide compatibility for USB4 multiple devices, fast speed USB4 cable for seamlessly connection. Advanced technology, this dock supports multiple fast speed interfaces and ensures stable performances for external GPU setups, gaming rigs, and professional workstations. Ideal for gamers, content creators, and IT professional flexible, high bandwidth solution to enhancing laptop or desktop graphics capabilities. Perfect for home offices, gaming stations, or setups where quick GPU swaps and USB4 compatibility essential for multitasking or rendering tasks. Streamlines your workflows with this durability external GPU dock, engineered for efficient heat dissipation and easy installation across USB4 systems. Specifications: Model: HA 36 Expansion Dock For graphics card and more. Graphics cards from 4090 to GTX450 series available. Reverse Charging：Reverse Charging Not supported because the reverse charging can easily burn the motherboards. Cable: USB4 data cable Transmission speed: graphics card dock use JHL6340 chip, with a transmission speed of about 2750MB/s, 2750x8/1024=21.50G. Package Includes: 1PC Expansion Dock 1PC 60cm/23.6inch USB4 data cable note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.