A heat exchange system for blade server systems is disclosed, wherein said blade server system contains a plurality of server blades arranged in a blade center, wherein the heat exchange system comprises first heat sink associated to each of said plurality of server blades, and whereby the first heat sink are adapted to collect heat emitted from heat emitting devices on said associated server blade; means for transferring heat from the heat emitting devices to the first heat sink; and a liquid cooled second heat sink associated to said blade center, whereby said first heat sink are connected to said second heat sink by thermal coupling.