I have an Alienware 15 R2 1546SLV
ProcessorIntel Core i5 6300HQ (Quad-Core, 6MB Cache, up to 3.2GHz w/ Turbo Boost)
Operating SystemWinHome HighEnd 10 64 ENG
Memory8GB DDR4 2133MHz (4GBx2)
Video GraphicsNVIDIA GeForce GTX 965M with 2GB GDDR5
Hard Drive1TB 7200RPM SATA 6Gb/s
Multimedia DriveNo Optical Drive
Media Card Reader9-in-1 Media Card
Reader and USB 3.0
BluetoothBluetooth tied to wireless card
Display15.6" FHD (1920 x 1080)
It has a decent CPU for a laptop but I’m looking to upgrade it possibly to an i7 soon. What would be the highest possible CPU that is compatible with this laptop?