We love the Raspberry Pi, ... The GPIO header has grown to 40 pins, while retaining the same pinout for the first 26 pins as the Model B. More USB. We now have 4 USB 2.0 ports, ...

New Raspberry Pi “B+” uses less power, has more USB ports ... The GPIO header has grown to 40 pins while retaining the same pinout for the first 26 pins as the Model B.

The Raspberry Pi 3 Model B sports a 1.2GHz quad-core CPU paired with a solid Broadcom VideoCore IV graphics processor, 1GB of RAM, a microSD port, four USB ports, and built-in Wi-Fi and Bluetooth.

The Raspberry Pi 4 B offers 802.11ac Wi-Fi, the same as the Raspberry Pi 3 B+, but sports Bluetooth 5.0, compared to Bluetooth 4.2 on the Raspberry Pi 3 Model B+.

Raspberry Pi (Model B) If you know one thing about the Raspberry Pi PC, it's most likely the fact that it's almost comically inexpensive -- $35, to be exact.

That changes today with the arrival of the Raspberry Pi 4 Model B. Three years in the making, it comes with up to 4GB memory, USB 3.0, dual-screen 4K display support, and a faster and newer CPU ...