Featuring the powerful DisplayLink DL-3900 chipset, this device allows you to connect two additional displays and gigabit Ethernet to most Windows tablets, laptops, or desktop PCs. Fully backward compatible with USB 2.0 PCs. Features two graphics ports: an HDMI port and a DVI-I port (with included VGA adapter). PerformanceUSB graphics work in conjunction with your system's main CPU and GPU for graphics rendering. Best suited for web/productivity software; not recommended for gaming. Compatibility Compatible with Windows 11 / 10 / 8.1 / 7 / XP / macOS 10.14+ systems. Drivers can be automatically installed via Windows Update (with existing internet connection) or downloaded from plugable.com/drivers. Dual core or 2 GHz+ CPU & 2GB RAM recommended. Updated USB 3.0 controller drivers suggested for best performance and compatibility. Non-Compatible Systems Cannot be mixed with non-DisplayLink USB graphics adapters and drivers (e.g. MCT, j5, or SMSC). Not compatible with Linux or ARM-based Windows (Surface RT). Vista Basic and Win7 Starter Edition are not supported. Monitor Compatibility Supports single HDMI display up to 2560x1440@50Hz, or dual 1920x1080 displays @60Hz. Dual-Link DVI monitors not supported. Application Compatibility Does not support HDCP, and will not allow for playback of encrypted Bluray disks or copy-protected content. Not recommended for gaming. In the Box USB3-3900DHE with robust built-in USB cable, DVI-to-VGA adapter, driver CD, quick install guide