Compatible with the following models: Compatible Models: Dell Latitude: E4200, E4210, E4300, E4310, E5400, E5410, E5420, E5430, E5500, E5510, E5520, E5530, E6220, E6230, E6320, E6330, E6400, E6400 ATG, E6410, E6410 ATG, E6420, E6430, E6500, E6510, E6510 ATG, E6520, E6530, E6540, ST, XT3 Dell Precision: M2400, M4400, M4500, M4600, M4700, M6400, M6500, M6600, M6700.