This ICE TOWER CPU cooler is, with its tower structure, 5 mm copper tube, multilayer heat sink and 7 blades, one of the most powerful fans for the Raspberry Pi. In case of overclocking the temperature of the Raspberry Pi can be lowered from 80° to 40° C. Thus, with this fan the power of the Raspberry Pi 4 is fully released. Technical data - Operating voltage: 5 V (3.3 V with reduced speed) - blue LED illumination - 2x 1-pin Dupont connectors (RM 2.54 mm) - 5 mm copper pipe - Nominal power 0.4 W at 5 V / 0.08 A Dimensions - total height: 58 mm - Fan: 40 x 40 mm - Cooling unit depth: 35 mm - Chip cooling surface: 15 x 15 mm Scope of delivery - Ice Tower CPU fan - Steel mounting fixer (suitable for Raspberry Pi 3B(+) and 4B - Spacers and screws - Acrylic base plate - Heat conducting pads - Screwdriver Suitable for - Raspberry Pi 4 Model B - Raspberry Pi 3 Model B+ - Raspberry Pi 3 Model B https://elecena.pl/product/18513397/114991948-raspberry-pi-cpu-fan-ice-tower 2021-05-19 https://elecena.pl/product/18513397/114991948-raspberry-pi-cpu-fan-ice-tower 2021-11-19