DP to Dual HDMI SplitterThis DP to HDMI 1 in 2 out adapter can convert the signal of a DisplayPort port into two HDMI signal outputs, support MST. Support both the HDMI Single Stream Transport (SST) mode and Multi-Stream Transport (MST) mode. NOTE: Mac OS only suppors mirroring mode, Not suggest to connect any DP docking or hub, not work with Dell Optiplex 790. High ResolutionSupport UHD 4K@60Hz(RGB and YCbCr 4:4:4). You can add a dual display port monitor to your PC, laptop or desktop,NVIDIA, AMD Graphics Card.The resolution of single HDMI screen up to 4K@60Hz,and the resolution of dual HDMI screen up to 4K@30Hz, to reach this resolution, require both of your monitors support the same resolution. Perfect DesignNylon braided cable, integrated aluminum alloy shell design, nylon braided cable can increase service life and prevent cable damage caused by scratches, integrated aluminum alloy shell can give full play to the advantages of heat dissipation. Adapter cable is 60cm long, enough t