Genuine MSI GE40 chargers are listed below, these are listed by the short model of MSI GE40 along with the wattage or voltage, so simply check your old or broken MSI GE40 charger, we do also list the MSI notebook full model when available to us, so you can find these also listed below, to find your MSI laptop model number, just look beneath your notebook and this will be displayed along with the input needed. With MSI gaming laptops being so powerful, it is imperative that you always match the wattage needed, this is so that your powerful MSI notebook runs to its full performance. If unsure contact us