This Thermaltake CPU Fan with Heatsink is a great addition to any computer system that needs efficient cooling. It is designed for LGA 775/Socket T socket compatibility and comes in a multicolor finish. The fan diameter is 92mm, and it has ball bearing type. The unit is made of aluminum, plastic, and copper.The maximum airflow volume is 38.7 CFM, and the maximum fan speed is 2200 RPM. The power connection is 3-pin, and the voltage is 12V. The item height and width are both 3.5in, and it comes in a box packaging. This unit is perfect for CPU fans and heat sinks, and it is compatible with various computer components and parts.