Hello im in some need of assistance I have 3 gpus on my rig 2 power supplys one 750 that is powering the motherboard one riser and a R9 390 and an 850 powering a R7 370 and a R9 390 both risers are powered by the 850PSU and all risers are using molex connections I have 8Gb of ram my virtual memory is set to 16Gb gpu Temps never get over 69C I'm using a gigabyte gigabyte - ga-z97x-sli motherboard as well the problem is that I would get random freezing without a reboot it would just sit there on I have checked event viewer and it shows the power kernel error and sometimes I get thread stuck in driver blue screen crash I am also the block chain drivers, if you need additional information to help me out please let me know. Thanks in advance.