I have a Acer Aspire T
The data sheet for it is
https://www.acer.com/datasheets/2014/4871/TC-120/DT.SV8AA.005.html
It has 4 memory slots and 3 of them are filled with
4GB 1Rx8 PC3L-12800U-11-13-A1
I have a few questions about filling the 4th slot.
1) do I have to match what is already there...