The Banana Pi M2 Zero is an ultra compact single board computer. Its external interfaces are the same as the Raspberry Pi Zero W, and it will fit almost all of it cases and accessories. It uses the quad-core Cortex A7 Allwinner H2+ processor, with 512MB RAM. It's ideal for light-weight systems and space-limited applications.
KEY FEATURES
CPU: H2+ Quad-core Cortex-A7
GPU: Mali 400 MP2
Memory: 512MB DDR3.
Storage: MicroSD slot
USB Ports: 1 x USB 2.0 OTG
GPIO: GPIO (x28), Power (+5V, +3.3V and GND), UART, I2C, SPI or PWM