Features: Engineered with high thermal conductivity aluminum alloy, this for rpi 5 heatsink delivers superior heat dissipation and stability featuring active cooling system with a quiet fan. The easy installation design ensures quick and secure setups for users of all skill, while the precise engineered structure maintains optimaled airflows and low noise operation. Ideal for maker, developers, and technology enthusiasts reliabled thermal management for rpi 5 base projects like robotics, media centers, or wide applications. Optimized for high load scenario such as video processing, gaming emulation, or continuous servers operating where consistent temperature control is critical. exclusively for rpi 5 compatibility, this aluminum cooling fan solution combines durability and efficient heat reduction to protect sensitive components during extended use. Specifications: Product： anodized aluminum radiator Size: about 63x43x20mm Input power supply: DC5V power through the 4pin fan for rpi 5 Fan speed controling: Pulse width modulation control with tachometer Air : 1.09CFM Fan speed: 8000RPM+/-15% Applicable Products: for rpi 5 Color: Black/Silver Package Includes: 2pcs Aluminum alloy heat sinks 6pcs Accessories note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution