Introducing the MCP355 Extreme Performance 12 Volts/18 Watts pump. This version of the award winning MCP350 features significantly increased head and flow characteristics at higher audible noise levels. This pump is not for everyone -in particular silence lovers, but it is ideal for extreme performance especially with its size of only 2.4" square. The MCP355 features 20ft of head to provide superior flow rates and is also very reliable pump, featuring a 50,000 hour MTBF (5 year lifetime). The pump is completely plug-and-play, and connects directly to any computer power-supply through standard 4 pin power connectors. An additional 3 pin motherboard fan connector which reports impeller rotational speed(RPM) is also presented. It's compact and powerful motor make it ideally suited for extreme duty cooling in environments where space is at a premium. The MCP355/18W water pump is now available in Swiftech store for $79.95.