








Raspberry Pi 4B Aluminum Heat Sink Set provides an efficient passive cooling solution for compact single-board computing platforms. Designed specifically for Raspberry Pi environments, this thermal management kit includes multiple aluminum heat sinks sized to match key chips on the Raspberry Pi 4B. A precision slotted surface structure increases exposed area for improved airflow and heat transfer. Pre‑applied adhesive backing simplifies installation while maintaining reliable thermal contact. This compact cooling accessory helps stabilize processor temperature during extended workloads, embedded development, robotics control tasks, and continuous computing applications.

Figure: Aluminum heat sink set designed for Raspberry Pi 4B cooling
Note: The product not include Raspberry Pi 4B board.
Slotted Aluminum Surface for Enhanced Heat Dissipation
Each cooling block features black anodized aluminum combined with a slotted top structure that increases effective surface area for heat exchange. The grooved geometry improves airflow contact compared with flat metal plates, allowing faster thermal transfer away from high‑temperature components such as the CPU, RAM, and USB controller. This passive thermal design supports stable operation during heavy computation, media processing, or embedded AI workloads without introducing noise or additional power consumption.
Multiple Sizes for Targeted Chip Cooling
The thermal kit includes large, medium, and small aluminum heat sinks sized to match different integrated circuits on the board. This multi‑dimension configuration enables optimized cooling coverage across the main processor and supporting chips. By distributing heat dissipation across several components rather than a single cooling block, the compact heat management solution helps reduce thermal buildup and improves overall system stability for development boards, automation projects, and continuous operation setups.
Adhesive‑Backed Installation for Quick Deployment
Pre‑applied thermal adhesive simplifies the installation process while maintaining secure contact between aluminum heat sinks and chip surfaces. The integrated adhesive layer removes the need for screws, brackets, or additional mounting hardware, making the cooling upgrade fast and convenient. This plug‑and‑apply design suits compact electronics assemblies, maker prototypes, robotics controllers, and educational computing platforms where mechanical simplicity and reliable heat transfer are essential.
Compact passive cooling components like this aluminum heat sink kit are widely used in embedded computing, robotics control systems, edge computing gateways, media centers, and STEM Education development platforms. Reliable thermal management helps maintain processor performance and extends hardware lifespan during long operating cycles.
Black heat sink with adhesive (large): 40 * 30 mm / 1.57 * 1.18 inch
Black heat sink with adhesive (middle): 14.5 * 10 mm / 0.57 * 0.39 inch
Black heat sink with adhesive (small): 9 * 9 mm / 0.35 * 0.35 inch