The Raspberry Pi model A + 3 is the successor to the mini-computer Raspberry Pi model 3 A. Despite its extremely compact size, it is thanks to its 1.4 GHz quad-core processor Broadcom BCM2837B0, Cortex-A53 and the 512 MB large memory a full-fledged PC. It is suitable for a variety of applications, such as as the basis for a Web server, a media center PC or for control tasks. also includes a USB 2.0 interface and Wi-Fi 802.11 ac and Bluetooth 4.2 with Bluetooth Low Energy Facilities of the Raspberry Pi model A + 3. The integrated graphics has a HDMI and an AV output and is capable of video in Full HD (1080p) playback. The sound output is likewise carried out either through the HDMI or the AV output. The Raspberry Pi model A + 3 does not have a conventional hard disk connection, but instead has a microSD card reader, in which a memory card is inserted as a boot medium. Power is supplied via a Micro-USB port, as it is also used in modern mobile devices such as smartphones or tablet PCs.