Newegg offers the Raspberry Pi Model B+ Computer Board for $29.99 plus 99 cents for shipping. That's $1 under our August mention and the lowest total price we could find by $8. The Raspberry Pi B+ is a credit card-sized, Linux-based computer. Powered from a microUSB socket, it features a 700MHz ARM processor, 512MB RAM, Micro SD card slot (card not included, but required), Ethernet port, four USB 2.0 ports, and HDMI output.