I install a -k cpu i5-3570k in an outdated Inspiron 660 that has an i3 cpu and 16 GB = 2x8 GB ddr3-12800 since the model has only two dimm slots, and a 2.5” 120 GB sata ssd. PC works surprisingly fast for internet browsing.  I would say comparable to my HP elite SFF running i7-8700 and nvme ssd.
What is your most unique hardware configuration? Contest details here.
"DS:What is your most unique hardware configuration?"