A water-cooled, overclocked Raspberry Pi 4

Michael Klements retrofitted a PC water cooling kit to chill out an overclocked Raspberry Pi 4. "Just to be clear," he writes, "this is totally unnecessary and is more of a let's do it because we can, not because we should type of project."

"Water Cooled Raspberry Pi 4 – Totally Unnecessary, but Pretty Awesome" (The DIY Life via Adafruit)