The dual-band wireless LAN and Bluetooth have modular compliance certification, allowing the board to be designed into end products with significantly reduced compliance testing, improving both cost and time to market. The new Raspberry Pi 4 has 3 versions depending on the size of RAM, you can choose according to your needs: Raspberry Pi 4 Computer Model B 1GB Raspberry Pi 4 Computer Model B 2GB Raspberry Pi 4 Computer Model B 4GB
Specification Processor: Broadcom BCM2711, quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GH z
Memory: 1GB, 2GB or 4GB LPDDR4 (depending on model)
Connectivity: 2.4 GHz and 5.0 GHz IEEE 802.11 b/g/n/ac wireless LAN, Bluetooth 5.0, BLE Gigabit Ethernet 2 × USB 3.0 ports 2 × USB 2.0 ports
GPIO: Standard 40-pin GPIO header(fully backward-compatible with previous boards)
Video & Sound: 2 × micro HDMI ports (up to 4Kp60 supported) 2-lane MIPI DSI display port 2-lane MIPI CSI camera port 4-pole stereo audio and composite video port
Multimedia: H. 265 (4Kp60 decode) H. 264 (1080p60 decode, 1080p30 encode) Open
GL ES, 3.0 graphics
SD card support: Micro SD card slot for loading operating system and data storage
Input power: 5V DC via USB-C connector (minimum 3A) 5V DC via GPIO header (minimum 3A) Power over Ethernet (PoE) enabled (requires separate PoE HAT)
Environment: Operating temperature 050ºC


