Huckberry Pi

Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
SDRAM LPDDR4-3200 da 1 GB, 2 GB, 4 GB o 8 GB (a seconda del modello)
2,4 GHz e 5,0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE Gigabit Ethernet
2 porte USB 3.0; 2 porte USB 2.0.
Intestazione GPIO standard a 40 pin Raspberry Pi (completamente compatibile con le schede precedenti)
71,94 € SU AMAZON

Necessary items -> If you just bought a Raspberry Pi 4 B, this kit will help you to make it run. (Note: the cooling fan makes noises at high speed.)
Power & Fan board -> Provides independent port for cooling fan, which won't use any GPIO pin. It also integrates a power switch.
Detailed tutorial guide you to use -> The download link can be found on the product box. (No paper tutorial.)
Adjustable fan -> The working Raspberry Pi 4 B is very hot. An cooling fan is very helpful.
Strong power -> This kit includes a 3A power supply with a useful power switch.
27,95 € SU AMAZON