REAL-TIME STATUS SCREENThe crystal-clear digital screen displays the temperature and usage of your system's CPU in real time and there is also a high temperature warning. The display is controlled via a simple application that only requires an open USB 2.0 header. PROVEN AK ZERO DARK DESIGNAn all-black variant of our highly compatible AK400 CPU cooler featuring a direct touch four heat pipe tower layout with a unique black matrix fin design and a high-performance FDB fan that delivers excellent heat dissipation and extremely low noise levels. PREMIUM COMPATIBILITYThe exceptional cooling performance of the AK400 DIGITAL on modern CPUs makes it the perfect choice for mainstream systems needing impressive price-performance ratio in a compact size. FLUID DYNAMIC BEARING FANAchieve high-performance cooling with minimal noise levels thanks to the high-performance FDB FK120 fan that maximizes airflow and static pressure when needed and intelligently ramps down for silent efficiency. SIMPLE AND SECURE INSTALLATIONThe improved installation method is made easy with a sturdy all-metal mounting bracket and a quick five-step process to safely fasten your cooler on multiple platforms supporting the latest from Intel and AMD. Specifications Product Dimensions126 x 97 x 156 mm(L x W x H) Heatsink Dimensions120 x 60 x 152 mm(L x W x H) Net Weight695 g Heatpipe6 mm x 4 pcs Fan Dimensions120 x 120 x 25 mm(L x W x H) Fan Speed500 -1850 RPM + 10% Fan Airflow68.99 CFM Fan Air Pressure2.19 mmAq Fan Noise<28 dB(A) Fan Connector4-pin PWM Bearing TypeFluid Dynamic Bearing Fan Rated Voltage12 VDC Fan Rated Current0.12 A Fan Power Consumption1.44 W LED TypeAddressable RGB LED LED Connector3-pin(+5V-D-G) and 9-pin USB 2.0 LED Rated Voltage5 VDC LED Power Consumption3 W