Asus ROG G751JZ-T7104H vs Asus ROG G751JY-T7132H

[nikolo]

hello i'm from greece and im interesting for asus g751.i ahve 3 questions:
1)in greece i see three-four variations and i'm confused.like Asus ROG G751JZ-T7104H and Asus ROG G751JY-T7132H.is there any differnt between theme?
2)also is there any official email support from asus for people that are no customer yet?or any official email support from rog?
3) the graphics card can upgarded or is solided?

[toronto699]

graphic card is is not replaceable. check the specs of the g751 u mentioned
http://rog.asus.com/regional-rog-facebook-and-forums/

[X-ROG]

1) Please contact the point of sale for these: the retailer will advise the difference in specification. We don't keep exact specification list for all laptop varieties sorry.
2) This forum offers pre-sales advice where possible.
3) It's not possible to upgrade sorry.

[nikolo]

how i c an contact with a reseller?

[QC_AGENT]

really?