Features Oxidation Treatment For Durability: Crafted from high-quality aluminum with oxidation treatment, ensuring wear resistance and long-lasting performance in demanding environments Precise Dimensions For Reliability: With dimensions of 120mm x 120mm x 20mm, this heatsink module offers an accurate fit, enhancing compatibility and installation on various setups Enhanced Cooling Efficiency: Engineered to maximize the surface area exposed to cooling air, this heat radiator board significantly improves heat transfer for optimal performance Versatile Application Options: Ideal for use in CPU power amplifiers, voltage regulators, and more, this aluminum cooling radiator is highly adaptable for a range of electronic components Exceptional Workmanship For Longevity: Featuring excellent craftsmanship, this motherboard heatsink module is built to withstand high temperatures, ensuring reliable cooling for extended use Features: 1、 OXIDATION TREATMENT: Good quality aluminum material after oxidation treatment, wear resistant and 2、ACCURATE SIZE WITH EXCELLENT WORKMANSHIP: Aluminum heatsink cooler have accurate size with excellent workmanship, for a long service life 3、MAXIMIZE AREA WITH COOLING AIR: Designed to maximize the area with cooling air to provide greater heat transfer 4、WIDELY USED: Suitable for CPU power amplifier PCB board, used as high power cooling block radiator, widely used in computers, power transistors, FETs, ICs, power amplifiers, voltage regulators, MOSFETs, SCRs, etc. 5、120X120X20MM OVERALL SIZE: The overall size of the heat sink is 120x120x20mm, suitable for many kinds of hosts, DIY motherboards, very practical Specification: Item Type: Aluminum Heatsink Cooler Material: Aluminum Treatment: anodic oxidation Overall Size: Approx. 120 x 120 x 20mm / 4.72 x 4.72 x 0.79in Purpose: Suitable for CPU power amplifier PCB board, used as a high power cooling block radiator Package List: 1 x Aluminum Heatsink Cooler Note: Please match the appropriate size before use. Package List 1 x Aluminum Heatsink Cooler