ROCKPro64 is the most powerful Single Board Computer released by Pine64. Its powered by a Rockchip RK3399 Hexa-Core (dual ARM Cortex A72 and quad ARM Cortex A53) 64-Bit Processor with MALI T-860 Quad-Core GPU. The ROCKPro64 is equipped with 4GB LPDDR4 system memory and 128Mb SPI boot Flash. There is also an optional eMMC module (up to 128GB) and microSD slot for booting. The board is equipped with a PCIe x4 open ended slot, 1x USB 3.0 type C Host with DP 1.2, 1x USB 3.0 type A Host, 2x USB 2.0 Host, Gigabit Ethernet, PI-2 GPIO Bus, MiPi DSI interface, eDP interface, touch Panel interface, stereo MiPi CSI interface, as well as many other peripheral device interface such as UART, SPI, I2C, for makers to integrate with sensors and other peripherals. The ROCKPro64 4GB board designated as LTS (long Term Supply) model, PINE64 committed to supply at least for 5 years until year 2023 and beyond. Note: The Wifi/BT model shown on photo is an optional item. Power Adapter requirement: 12V 3A or 5A type M 5.5mm OD/2.1mm ID barrel type DC Jack Power Supply.