Guys, I have a commission to H2O cool another Ultra Microfly. I built one for my lawyer's wife and now he want a water cooled Microfly for whatever lawyers want PCs for. Some home office show off thingy. I have 128 mm between outside case and power supply. He wants it internal. Who makes the skinniest 120mm Radiator? Up and down is no problem, just relocating the brace from front to back that holds the HDDs. Please let me know.
Black Ice Pro. That and a 25mm fan will do the job just fine. I'll bet you could get a BIX, but that's pushing it.
Try the LiqouCool Extreme or Pro Slim radiators, they're exactly 120mm wide. You can find them here .