Product details：

• 140mm class performance in 120mm size: 7 heatpipes, more surface area and a dual fan configuration with state-of-the-art NF-A12x25 fans allow the NH-U12A to rival many 140mm size coolers!
• Excellent case, RAM and PCIe compatibility: Fits most tower cases (158mm height), doesn’t overhang the RAM slots on LGA17xx, LGA1200 and AM4, doesn’t block the PCIe on most ATX and Micro-ATX motherboards.
• Quiet, state-of-the-art NF-A12x25 120mm fans with Low-Noise Adaptors and PWM for automatic speed control: Full cooling performance under load, virtually silent at idle!
• Includes high-end NT-H1 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5 & AM4 (offset mounting option for best efficiency) Product Dimensions 4.92"L x 4.41"W x 6.22"H Compatible Devices Desktop Power Connector Type 4-Pin Voltage 12 volts Cooling Method Air Noise Level 22.6 db Material Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating Maximum Rotational Speed 2000 rpm Air Flow Capacity 102.1 cubic meter per hour