hey guys,little problem here..the radeon hd 7750 is compatible with pci e 1.1 and yes we all have heard glorious things about power consumption of this card..but after release of radeon r7 250 ...i'm little bit confused between these 2 cards .r7 250 is loaded with new features and ofcourse mantle but i don't know about its compatiblity with pci e 1.1 and with a generic 400watt psu i don't know it will survive or not ...so lil bit confused here ....i've intel dg41rq mobo (i'm quite sure its pci e 1.1) and a generic 400 watt psu