LENOVO 5B20F78873 Lenovo Y50-70 Laptop Motherboard w/ Intel i7-4700HQ 2.4GHz CPU, Lenovo Y50-70 TOUCH 20349 MOTHERBOARD INTEL i7-4700HQ 2.4GHz LA-B111P Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity. This part is guaranteed to be fully functional, original and authentic. 5B20F78873