The DB 9-pin to VGA 15-pin adapter cable is a special adapter cable Some video devices are 9-pin but our graphics cards are all 15-pin so this cable will be your best choicePin definition: 1 pin-1 pin; 2 pin-2 pin; 3 pin-3 pin; 4 pin-13 pin; 5 pin-14 pin; 6 pin-6 pin; 7 pin-7 pin; 8 pin-8 pin; 9-pin-10-pin/11-pinUsing polyethylene HDPE inner insulation high-fidelity design strong anti-interference ability reduced transmission signal attenuation and good use effect. Well-crafted thumbscrews allow easy insertion and removal of plugs while ensuring easy and safe connectionThis adapter cable is only used to pass RGB signals through the 15-pin connector of the RGB to VGA converter. It cannot directly convert these RGB signals to VGA. The adapter cable from DB 9-pin to VGA 15-pin is suitable for computers notebooks projectors KVM switches and other video displays.