Hi Rethierusa,
Welcome to Sony Community!
We understand that you want to upgrade your laptop by replacing some parts in it. Sony doesn't recommend doing this because there is no assurance that it will work. It may be possible to achieve what you want to do but we suggest that you ask assistance from a professional technician near you. Please refer to this link for further assistance. https://esupport.sony.com/US/p/service.pl
Be warned that doing something wrong here could seriously damage your system.
Regards,
Jen
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