This is an Active Adaptor - meaning a built-in chip inside the Adatpor. If your graphic card does not support DP++, then you cannot use a Passive Adaptor.
It will Support Apple MacBook (after 2010 Version with Audio) MacBook Pro, MacBook Air, iMac, Mac mini, Mac Pro; Microsoft Surface Pro/Pro 2/Pro 3 (NOT Surface for Windows RT); Lenovo ThinkPad X1 Carbon, X230/X240s, L430/L440/L530/L540, W530/W540, Helix; Dell XPS 13/14/15/17, Latitude E7240/E7440, Precision M3800; Alienware 14/17/18; Acer Aspire R7/S7/V5/V7; Intel NUC; Asus Zenbook; HP Envy 14/17; Google Chromebook Pixel etc.
Only converts signal from Mini DP to DVI side.
What is Eyefinity?
ATI Eyefinity Technology
ATI Eyefinity Technology Display Configurations
Solves Eyefinity Issue with Mini Active Display Port Adapter
In a nutshell, this cable is required for anyone who buys a ATI card supporting Eyefinity Technology and wants to run the extra (3rd) monitor that has only HDMI/DVI inputs