Warm tip:Graphics card compatibility: support for new graphics cards shipped after 2015 (Not support for old graphics cards shipped before 2014)Model: R3G series productProduct Name: Graphics card external adapter board extension cableMotherboard compatibility: ITX/ motherboard, NUC, only supports M.2 NVMe interface Does not support M.2 SATA interface, does not support M.2 WiFi interface, does not support M.2 WWAN interfaceBandwidth speed: PCIe3.0x4 (32G/s)Power Description: The model that supports the power supply is 12V/18A/220W power supply, or the standard ATX power supply.Please prepare or purchase the power separately.Cable length:50CMModel Number:R43SGType:Extension CableColour:blackMaterial:ABSPackage Contents:1 x Graphics card external adapter board extension cable1 x Extension cable1 x Installation bracketOnly 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.