Hello all today I upgraded from hd 7870 to gtx 1070 however it is very weird that I see 1070 uses integrated ramdac in my 7870 it had its own 400mhz? Is there somethingr wrog guys? And system sees only 4 gb ram of 8 gb, it says 4 gb is for shared memory? I am using windows 7, i hope you guys can help me out thankss!