Dell Axim X51v 624MHz Personal Digital Assistant w/3.7" TouchScreen LCD The Dell Axim X51v Pocket PC combines business features with high-powered multimedia performance. This Dell PDA boasts a large 3.7 inches VGA screen, a dedicated graphic processor, and both CF and SD expansion slots The VGA screen in the Dell Axim X51v Pocket PC offers four times higher resolution than standard QVGA displays.