Patent ID: 8644020

Claim:
A server rack sub-assembly, comprising: at least one motherboard having a perimeter; a plurality of heat-generating electronic devices mounted on the motherboard in an area of the motherboard that is substantially thermally decoupled from the motherboard perimeter, one or more brackets comprising heat transfer surfaces and attached to the motherboard along at least a portion of the motherboard perimeter, the one or more brackets receive a cooling airflow circulated, by one or more fans, over the bracket and convectively transfer heat into the cooling airflow while the area of the motherboard that is substantially thermally decoupled from the motherboard perimeter receives substantially none of the cooling airflow, the one or more brackets adapted to couple the motherboard to a server rack assembly; and a heat transfer device thermally coupled to the area of the motherboard that is substantially thermally decoupled from the motherboard perimeter and the one or more brackets, wherein the heat transfer device is arranged to conductively transfer heat from the one or more electronic devices to the brackets.