Hi guys i am planning to use my old hp elite 8100 compaq sff and add a 1050ti(mini) with 8 gb of ram and intel i5 650 , a 500gb hdd,250watts psu would i be able to play games like fortnite,csgo,overwatch at 60fps+(high settings) and should i upgrade my psu to 300watts?? Or is it safe to use it with the 1050ti