Genuine Dell K211N USB Audio I/O Powerboard, For Inspiron 537s, 545s, 560s, 580s Slim Systems, Compatible Dell Part Number: K211N, H064N Compatible with Inspiron 537s, 545s, 560s, 580s Slim Systems 1x - Power Switch Button, 2x - USB Ports 1x - Microphone Audio Ports, 1x - Headphone Audio Ports 1x - Status LED Part Number: K211N, H064N