Amazon.com: Dell OptiPlex 5070 SFF Small Form Factor Desktop 9th Gen Intel Core i3-9100 Quad-Core Processor up to 4.20 GHz 16GB DDR4 Memory 2TB Hard Drive Intel UHD Graphics 630 DVD Burner
Amazon.com: Intel Core i3-9100F Desktop Processor 4 Core Up to 4.2 GHz without Processor Graphics LGA1151 300 Series 65W : Everything Else
Amazon.com: Intel Core i7-7700 Desktop Processor 4 Cores up to 4.2 GHz LGA 1151 100/200 Series 65W (Renewed)