- A Broadcom BCM2835 application processor 1GHz ARM11 core (40% faster than Raspberry Pi 1) - 512MB of LPDDR2 SDRAM - A micro-SD card slot - A mini-HDMI socket for 1080p60 video output - Micro-USB sockets for data and power - An unpopulated 40-pin GPIO header Identical pinout to Model A+/B+/2B - An unpopulated composite video header - Our smallest ever form factor, at 65mm x 30mm x 5mm