connectors: Ethernet, 3 USB (2.0), 2 USB (3.0), EVI, VGA, Display Port, eSATA, Microphone Jack, Headphone / Speaker Compatibility: Dell Latitude E4200, E4300, E4310, E5400, E5410, E5420 E5500, E5510, E6220 E6400, E6400 ATG, E6400 XFR E6410, E6410 ATG, E6420 E6420 ATG, E6500, E6510 Dell Precision M4500 M4600 M6400 M6500 M6600