Rockchip RK3308 64bit quad core based mini SBC An extremely "rocking" mini computer for your projects! Rockchip RK3308 Quad A35 64bit processor with built-in VAD 256 / 512MB RAM versions USB 2.0 OTG (type C) + USB 2.0 HOST (type A) RJ45 10/100Mbit Ethernet when choosing the PoE variant an additional PoE HAT is required 802.11 b/g/n Wifi + Bluetooth 4.0 with external antenna connector 26 pin GPIO header 26 pin voice/audio header includes I2S, PCM, TDM, PDM, SPDIF, and HDMI ARC Size 1.7x1.7inch (~38.1x38.1mm) Debian, Ubuntu, Armbian and Slackware ARM support Optional - ROCK Pi S on board storage version with 1Gb/2Gb/4Gb/8Gb SLC NAND flash (data protection in case of power failure) Power demand idle: 0.5W / full load: 2.8W CPU does not need any heat management! FURTHER DETAILS ON ROCK PI S FROM STARTER TO DEVELOPER Main documentation page on Rock Pi S In depth technical details on Rock Pi S Getting started with Rock Pi S GPIO pinout of the Rock Pi S Development tips on the Rock Pi S Please check the variants and corresponding prices