Interface:Compatible with TB3/TB4/USB4 interface, does not support USB interface Power instructions: Please prepare the power supply according to the power of the graphics card Purchase tips: 1. This product is for universal RTX20 above graphics cards equipments, support WIN10, WIN11 2. Support for multiple switching, cable for multiple switching have a little performance loss Installation reminder: 1. This product supports hot swap, and the expansion dock is equipped with a power switch, which can switch the video card device with one-key 2. Supports PCIe card switching, including graphics cards, acquisition cards, and NVMe hard disks etc Product name:USB4 to PCIe x16 eGPU Adapter Product model:UT3G fer speed:Gen4 x2, 40G/ (Max.) Application:eGPU for NUC / ITX / / Notebook PC Note:Different product batches may have different printed words, which not affect the use. Colour:As Shown Material:PC Package Contents: 1 * USB4 to PCIe x16 eGPU Adapter 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.