1、1.5GHZ 64 BIT QUAD CORE: The development board's processor, the for BCM2837 SoC, is equipped with a 1.5GHz 64 bit Quad Core ARM for Cortex A72 CPU (ARM v8) to ensure smoothly and stable usage. 2、4K SUPPORT: The Model B development board has a pair of miniature HD multimedia interfaces that support 4K, providing ultra high definition video. The Ethernet port is full Gigabyte, with built in wireless (dual band 802.11 b/g/n/ac) and Bluetooth 5.0 BLE support. 3、MULTIPLE PORTS: Standard 40pin GPIO connector, fully backwards compatible with previous motherboards, 2 channel MIPI DSI display port, 2 channel MIPI CSI camera port, 4 pole stereo sound and composite video port. 4、MICROCOMPUTER: A single board computer is effectively the equivalent of a minicomputer, with essentially all the functionality expected of a computer, including support for a storage card for loading the operating system and data storage. 5、APPLICATIONS: For RasPi 4B development board is very user friendly and convenient in developing IoT, Web development, machine identification, automation, and other electronic device applications and network functions. Item Type: for RasPi 4B Development Board Material: PCB, Metal Processor: for BCM2711, for Cortex A72 (ARM v8) 64 Bit SoC 1.5GHz Connectivity: 2.4 GHz and 5.0 GHz IEEE 802.11ac Wireless, Bluetooth 5.0, BLE, Gigabit Ethernet, 2 USB 3.0 Ports, 2 USB 2.0 Ports Access: Extended 40pin GPIO Connector Storage Card Support: Micro Storage Card Format (Supports Up to 128GB, Not Included in Shipment) Input Power: USB C 5V 1 x for RasPi 4B Development Board