High Speed Performance: Our GPU dock utilizes the OCuLink interface in combination with the advanced PCIe 4.0 x4. This guarantees high speed data fer and ensures Performance stability Device Compatibility: Designed with a universally compatible M.2 Mkey interface, this adapter easily plugs into your Mini PC or notebook without any additional software or setup. & Efficient: Constructed with sturdy materials, this adapter sustains long term use while boasting high efficiency and heat resistance. Improved Gameplay: Connect to an external graphics card for smoother gameplay, enhanced visuals and an unprecedented gaming experience. GPU Dock is built with technology and offers game changers an boost. This adapter turns your normal notebook laptop into a portable gaming powerhouse by allowing connection to an external graphic card. Model Number: Oculink GPU Dock PCIe: PCIE 4.0 X4 Type: Laptop Docking Stations Material: metal+plastic Color as shown Package Contents: 1 x Dock 1 x Data cable 1 x turning board 1 cord 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.