Alternative uses of a Mining Rig?

As I've been mining for a few months already, I was wondering what could I possibly use my mining rig other than mining of course. Any suggestions? It doesn't necessarily need to be for money. All I could think of is using Hashcat which I don't think it will be affected by the 1x PCIe riser's bandwidth. I don't think I can use the rig for rendering either since it will probably be inefficient to do so because of the limited 1x PCIe lane. Any ideas?