The Corsair iCUE H170i Elite Capellix CPU liquid cooler effectively and quietly cools even the most demanding PC systems with its 420mm radiator, three Corsair ML140 RGB PWM fans, and a Capellix RGB pump head. The pump head of the Elite Capellix cooler features 33 ultra-bright Capellix RGB LEDs that illuminate alongside the RGB fans. Enhanced by powerful, quiet cooling, your system not only looks fantastic but also performs significantly better. An optimal heatsink design with 128 microfins per inch ensures highly efficient cooling under any workload. It delivers a flow rate of up to 0.82 l/min at less than 20 dBA for extreme cooling performance with low noise levels. Each Elite Capellix CPU cooler comes with two separate pump caps. The pre-installed pump cap is elegantly finished in glossy black, while the other pump cap is transparent, allowing your glowing Capellix LEDs to shine through. Take advantage of iCUE's capabilities: use the included iCUE Commander Core to control the fan speed and RGB lighting effects of the included ML RGB fans as well as additional Corsair RGB fans (up to a total of six fans).