Passively cooled heatsink for the Aquacomputer Aquaero 6 Pro / XT This passive heatsink improves heat dissipation and thereby increases the maximum power output of the fan channels For optional active cooling, the Aquaero 5 water block (art. no. 20023) can be installed on top of this passive heatsink Color: Black Heat sink for Aquaero 6 PRO / XT controller Mounted on an aquaero 6 controller, this passive heat sink improves heat dissipation and thereby increases the maximum power output of the fan channels. For optional active cooling, the aquaero 5 water block (art. no. 20023) can be installed on top of the passive heat sink. Passive heat sink and Real Time Clock module (art. no. 70215) can be installed simultaneously, additional mounting material is included in delivery of the passive heat sink. Scope of delivery: Aluminum heat sink for aquaero 6 Thermally conductive pad Mounting material Compatible with: aquaero 6 PRO (70227) aquaero 6 XT (70028) aquaero 6 LT (1013416 Please note: aquaero 6 and water block are not included in delivery! If using the water block that has no second respectively narrower bump (very old version) washers must be used for mounting it.