These cases have been popular before and Centrecom have reduced theirs to $49. Given the size however you will likely struggle to fit anything over an RTX 3070.
- Supports standard-length expansion cards (10.6 inches)
- Mini-DTX / Mini-ITX motherboard & ATX PSU compatible
- Supports 120mm or 140mm single fan All-in-One Liquid Cooler
- Supports 2.5" and 3.5" hard drives
- Elevated standoff for motherboard back side components
Good price, I paid $69 for mine. Just a word of warning, you'll need to do some 'hacks' to fit 3070's in. I removed the left frame to fit my ASUS Dual RTX 3070. straightforward, but time consuming.