Accell DisplayPort 1.2 Multi-Display Video Splitter MST Hub - 3 DisplayPort Outputs Connect 3 monitors from a single DisplayPort at resolutions up to 2048x1536at60Hz on each display Independent displays requires DisplayPort 1.2 multi stream transport (MST). DisplayPort 1.1 single stream transport (sat) clones/Mirrors the display. Dual-Mode DisplayPort (DP++) Supports both passive and active adapters to connect HDMI, VGA, or DVI displays Compatible with AMD Infinity, NVidia surround, and Intel collage Technologies Mac OS does not support the MST technology for expanded monitors. It will allow for mirroring.