This is the Raspberry Pi 2 Model B. It is six times faster than its predecessors and has a new quad-core Cortex-A7 processor. The Raspberry Pi 2 Model B now features 1GB of RAM memory. The operating system kernel has been upgraded to take full advantage of the latest ARM Cortex-A7 technology. Backward application hardware and software compatibility has been maintained with the Raspberry Pi 1 Model A+/B+.