This item is a DELL PRX Latitude Laptop Docking Station Replicator. For use with all Dell Latitude CP, Cpi, CPt, CPx Series Notebooks as well as Inspiron 4000/8000 series models. For use with PA-6 Family power adapters. This item does not come with a power supply. Included Ports and Connectors: (1) PS/2 Compatible Keyboard (6-pin Mini-DIN) (1) PS/2 Compatible Mouse (6-pin Mini-DIN) (1) 9-pin (M) Serial (1) 25-pin (F) Parallel (1) 15-pin (F) VGA/SVGA Monitor (1) 1/8" (3.mm) Speaker-Output (2) 4-pin USB (1) 240-pin Docking (1) RJ45 Ethernet Network Connector