Corsair H115i 280mm
A 280mm AIO in the M2 is kind of insane, and it does the job—CPU temps landed in the low 70s even with the radiator pulling hot GPU air. That said, if you care about sanity in an ITX build, I’d prioritize cleaner cabling and easier routing than what I dealt with here.
You'll be taken to Geni to complete your purchase.