A ANIDEES Aluminum Heat Sinks fanless Extra High Pi Case with Silicone Thermal Pad for Raspberry Pi 4 Model B Silver (AI-PI4-SG-PRO-H)

Silent & passive Cooling 100% Aluminum Alloy material cools the Raspberry Pi as a heatsink and comes with Silicone thermal pads for CPU, SDRAM and USB chip provides excellent heat dissipation.
High Performance Optional installation for 25/30mm fan provides the best cooling potential to avoid overheating and create the perfect performance for Pi4. Max 1.28in / 32.5mm internal space with spacers.
WiFi signal strength No limitation for WiFi due to Plastic Base; Using ABS UL 94V0 specifications material for flame retardance.
Easy Access - Aluminum casing with cutouts for GPIO / Camera / DSI display cable. Extra space for Pi POE Hat (Need 4/40 pin extra tall Header) and Sense Hat. Obvious lights show the system status.
Durable & Quality Alloy aluminum oxidation greatly improves the corrosion resistance, hardness, wear resistance, insulation, heat resistance of the cooler, and prolongs the service life.. OEM/ODM Service anidees is a professional and experienced manufacturer of metal processing, we offer customized service to OEM/ODM which would make your job easier, welcome to contact us for more information.