Description:This all-in-one liquid CPU cooler kit provides a 240mm heat sink, water pump, cylindrical water reservoir, dual fans, as well as installation accessories, which will dramatically improve heat dissipation experience, especially in terms of stability, silence, efficiency, and convenience. Liquid cooling simply works better than air cooling and the special design makes it easy for you to protect your valuable CPU.Features: CPU / GPU Block: The CPU/GPU block is constructed with a copper base to provide exceptional heat transfer and cooling performance. Cylindrical Water Reservoir: The cylindrical water reservoir is manufactured from high quality transparent acrylic so that the circulation system is visible. Water Pump: Waterproof, stable, high quiet, long life. 240mm Heat Sink: Provide the excellent heat dissipation, as you need for highly overclocked desktop processors. Transparent Hose: Upgraded flexible anti-explosion, hoses enable a space-saving installation and exceptional durability. LED Fan: The extreme performance dual fans offer a high air static pressure with lower noise. Spec:1. 240mm black heat sink (with screw pack):Appearance size: 27.5 * 11.8 * 3.2cmStraight mouth height: 2cmDiameter of straight tube: about 9.5 mmNumber of waterways: 182. LED fan:Appearance size: 12 * 12cmPower supply interface: large 4Pin + small 3Pin3. Universal CPU block (with 4 pcs screws):