So, I have a hkc usp 5580 pfc psu, and I am planning to upgrade my gpu, from a gtx 950 toa gtx 1060 3gb. I used this psu for about a year with the 950 which consumes 90w so I am wondering if I'll be okay with the 1060. Also this model has been released I think in 2009. I have also noticed that sometimes (not always), when I power off my pc I hear a high pitch noise from the psu? What does this mean? My other specs are: i5 4590t 35w, a hdd, an ssd, dvd drive, h81-sm mobo, and 2x4 gb of ram. Will I be okay?