Use this adapter to change your DVI Connector to regular (analog) VGA Connector. Some video cards have a dual display capability. Use this adapter to allow dual display. There are two types of DVI Connectors: DVI Analog and DVI Digital. If your DVI is digital, this DVI Adaptor will not work. Please check your DVI Pins carefully whether this DVI adaptor will fit in. Connector 1: DVI-I (24pin+Blade+4pin) MaleConnector 2: VGA 15pin FemaleGold PlatedFor example, if you have ATI Radeon VE Dual Monitor graphic card, you need this adapter to change one of your DVI connector to VGA connector to enable your Dual Monitor capability.Note: This adapter can NOT be used in conjunction with a DVI/HDMI adapter or DVI/HDMI cable to obtain an end result inchVGA to HDMIinch. As VGA technology is ANALOG, this is ONLY suitable for converting ANALOG signals. Adapter itself is FULLY-PINNED (ie DVI-I), but only ANALOG MODE (DVI-A) is supportedEstimated ACTUAL Quantity Available: 39. Should you need more stock than our advertised quantity of 50pcs, please click the CONTACT SELLER link and let us know how many you need and we will update the TOTAL QUANTITY available.