first of all looool! 😮 You are asking very funny question, before you buy, do a small research please :cool:
How many gb is the default ssd installed in GL502vs?
- depends on your specification, it can be 128GB/256GB/512GB
In previous gen, you can upgrade and add more ram and ssd... how GL502vs?
How to add more ram and ssd?
- by opening backside and adding ram and/or hdd
Does it also use regular memory card just like in desktop if i want to add more ram?
- No !:D Its a laptop! Small form factor, video card is build in to motherboard and can not be change
For video card, is it Razer Core compatible?
- No, there is no thunderbolt port for it.