Dell laptop D-Series D/Port advanced docking station / port replicator PR09S, compatible with: D420, D430, D430N. Ports: DVI, VGA, 9-pin serial, parallel, 2x PS2, 3x USB, 1x USB 2.0 powered, RJ45, audio line out, optical drive CD-RW/DVD-ROM combo. Use with Dell PA10 19.5V 4.62A A/C adpater (not included). (Replaces Dell part numbers HJ119 or KJ410) 30-day hardware warranty. Used, from corporate lease returns.