HP description: "System board Gold conversion kit, Intel Core i7-4500U, non-TouchScreen models, Windows 8 Standard.". OEM documentation only; not bench-tested.
Source notes
HP Maintenance and Service Guide c04657844, PDF pages 44, 73, 123: "817920-5C1" (System board Gold conversion kit, Intel Core i7-4500U, non-TouchScreen models, Windows 8 Standard.). (via MG-51 new-models fold)