This DMS 59 to dual DVI Y cable allows you to break out one LFH 59 or LFH 60 (DMS 59 and DMS 60) connection on Matrox Qid, nVidia Quadro, and PNY Quadro graphics cards into two DVI-I female connectors - letting you connect two DVI capable monitors for a cost-effective dual monitor solution. Expertly designed and constructed of only high quality materials, the DMSDVIDVI1 DMS 59 to dual DVI Y cable is backed by our Lifetime Warranty. Equivalent Part numbers: HP: DL139A, DL139AR PNY: 91004086-T The StarTech.com Advantage - Connect two DVI monitors to a single graphics card port - Easy to use and install - Backed by StarTech.com's lifetime warranty