Dell PR03X E-Port Replicator with USB 3.0 and 130W Power Adapter 1x VGA, 1x DVI, 1x 20-pin DisplayPort, 1x RJ-45, 1x Audio Line-out, 1x Mic-in, 1x Dual e-Sata/USB port, 1x E/Bay connector 2 x USB 3.0, 3 x USB 2.0 130 PA-4E Watt Power Adapter Included Designed for Latitude E5440, E5540, E6440, E6540, E7240, E7440 Please see full compatibility list in Description