A:AnswerThere does not appear to be any door for accessing the RAM chip/s on the bottom of the unit. I have added RAM to a laptop before and unless you take the whole bottom off....
A:AnswerThis has Bluetooth which allows you to sync this computer with compatible devices. You can transfer photos, music and other media between devices as well as connect Bluetooth wireless accessories.
A:AnswerYour router determines the wifi speed. A loptop will only receive as fast as your router can support.. that being said this laptop can receive signals on the 2.4 and 5ghz bands.