D199R Dell Latitude E4300 Laptop Motherboard w/ Intel C2D P9400 2.4GHz CPU System Pull. Guaranteed for 90 days. Genuine part. Dell Dell Latitude E4300 Laptop Motherboard w/ Intel C2D P9400 2.4GHz CPU Parts can usually not be interchanged - please check to make sure that your original part has this part number or that the manufacturer recommends this replacement part for your system.