I am looking at changing the hard drive in my old G751. Is there a limit on the memory size? I know there is a limit to 9.5mm. Thinking of a 2 or 4 TB

I have a ROG G751JT-CH51 about a year old. Does it support the MU-MIMO?? Looking to upgrade router and wondering if it is worth getting one with this.

Ok I have been reading threads for days then bought a hard drive and just added it but don't see it so need help. Here are a couple questions if you don't mind.G751JT CH71 since I have the open bay was adding another hard drive for storage. I bough...