Wouldn't counter-sunk screws (which come standard with a fan) and the appropriate holes work for this ?
Maybe it could allow with some boards or configurations to have a single slim 120mm radiator on top or certainly a slim fan to help exhaust or intake near the CPU area.
Maybe it could allow with some boards or configurations to have a single slim 120mm radiator on top or certainly a slim fan to help exhaust or intake near the CPU area.