Features:OOTDTYGraphics card compatibility: support for new graphics cards shped ar 2015 (old graphics cards shped before 2014 are not supported)Mainboard compatibility: Notebook, mainboardNote:only supports M.2 NVMe interfaces Does not support M.2 interfaces, does not support M.2 interfaces, does not support M.2 WWAN interfacesPower Descrtion: The model that supports the power supply is 12V/18A/220W power supply, or the standard power supply. Please prepare or purchase the power separately.Note:all cable doesn't support the hine with 2x CPUs.Specifications:Product Model: R3G series productProduct Name: Graphics Card External Adapter Board Extension Cable speed: e4.0x4 (64G/s)Model Descrtion: R43SG (M.2 NVMe interfaces)Wire length: approx 25cm/9.84in 50cm/19.7inInstallation steps:1. Install the agonal ars and insert the graphics card into the e x16 slot. The screw is tightened so that the graphics card will not shake or fall off.2. Install power supply or D power supply, including graphics card power cord should also be ar installed, D power supply will light orange lights.3. You can plug in the M.2 cable when the computer is off. Ar power on, the power supply will automatically the fan to turn. If you the D power supply, the green light will turn on. At this time, the R3G board will turn on two green light. System will recognize the card automatically. Please install the graphics card driver. The installation of the driving proce may prompt the computer toPackage Includes:1PC Graphics Card External Adapter Board Extension CableNote:Please allow 0-1cm error due to manual measurement. pls e sure you do not mind before you bid.Due to the difference between different s, the ture may not reflect the actual color of the item. Thank you!