dimensions: 120*120 * 25mmpitch: 10.5cmrated Voltage: 12Vrated current: 0.18Ainput power: 1.44Wrotational speed: 1000RPM ± 10% (full)the maximum air flow: 50CFMthe maximum static pressure: 58Panoise: 11DBweight: 160gline: interface length 60cmit is recommended to use the way: chassis cooling, 12cm windmill power supply fan replacement, highly reliable cloud server applications.Fan is 3P motherboard interface supports speed, speed control function (only in the on the motherboard according to temperature, general motherboard directly inserted into the 3-pin interface will run at full speed, very quiet)