DVI is pinned as a DVI-D dual link (24+1) but the cable clearly says on it that is is single link so max resolution is WUXGA 1900x1200 @60Hz per monitor.
Dell Matrox Mini DisplayPort to DisplayPort Cable Adapter 20cm Length F16217-00
Matrox 15941-00 LFH-60 to Dual VGA 15 Pin Female Splitter Video Cable
Genuine Matrox F16123-00 LFH-60 Male To Dual DVI Female Video Splitter Cable
Matrox F16123-00 LFH-60 to Dual DVI Splitter Cable with 2 x VGA adapters.
Matrox F15941-00 LFH-60 to Dual VGA female video graphics Splitter Cable
Matrox - DualHead2Go Digital Edition - D2G-A2D-IF Display Expansion - VGA To DVI
