LEE A 206 is used for hosting servers of various groups at the D-INFK, especially high-performance systems such as GPU compute nodes. Other departments also use this room. In this server room there are cooling aisles with six 52 unit racks on each side of the aisle. The row of six racks which are marked with the the letter K are reserved for the D-INFK. Each rack has a door to close it and protect the cabling. The door surface is a fence to allow the hot air to escape into the room.