Matrox M9120 PCIe x16 ATX Two DVI-I-to-HD15 connector adapters [M9120-E512F] M9120 PCIe x16 Specifications Part NumberM9120-E512F Bus TypePCIe x16 Graphics Memory512MB DDR2 Card Form Factor (PCB / bracket)ATX / ATX Extra bracket in the boxnone Card Dimensions6.6- (L) x 4.376- (H) Connectors2 x DVI-I Breakout / Splitter Cables includednone DVI to Analog (HD15) Adapters2 Max Display Outputs per Card2 Supported Display Output TypesDVI SL, Analog Max Digital Resolution per Output1920x1200 Max Analog Resolution per Output2048x1536 Independent Desktop Modeyes Stretched Desktop Modeyes Passive Coolingyes Unified Driver Packageyes PowerDesk Softwareyes EMC CertificationsClass B Aftermarket Cable Upgradesnone Supported Operating SystemsMicrosoft® Windows® XP (32/64bit), Microsoft® Windows® Vista (32/64bit), Microsoft® Windows® Server 2003/2008 (32/64bit) Open GL support2.0 Warranty3 years