StevieIt's quite hard to give you a straight answer, so assuming you want something for gaming, specifically for source games like TF2/CS:GO, https://pcpartpicker.com/list/X23f4C Probably something like that, but it very heavily depends on what you're gonna use it for. You can fiddle around with which parts you want, if you plan on having windows or not, whether you want an ssd or not, etc. The list goes on.
Also why a 60 USD WD Black 500GB when a WD Blue 1TB is 50 USD?
As #3 said, get a G4560, almost the same performance for cheaper
Here's an adjusted version