BeagleBone Black, Revision C

The BeagleBone Black from beagleboard.org is a development board based on the AM335x Arm Cortex-A8 processor. This BeagleBone board is a single board computer (SBC) which can be used as a stand-alone computer or it can be embedded into a system.

This low-cost, open source, Linux-based computer board is ideal for electronics engineers and hobbyists.

What's on-board the BeagleBone Black (Rev C)?
Processor: AM3358BZCZ100 1GHz ARM Cortex-A8
Memory: 4GB eMMC flash, 512MB DDR3, 4KB EEPROM
Graphics: SGX530 3D, 20M Polygons/S
Storage: microSD card, 3.3V MMC
PMIC: TPS65217C
USB: 1 x USB A 2.0 Host, 1 x miniUSB 2.0 Client
Ethernet: RJ45 Connector 10/100
Audio: HDMI
GPIO: 2 x 46-pin Headers
Debug: 20-pin CTI JTAG Serial debug port
LED Indicators: 1 x power, 2 x Ethernet, 4 x User Controllable
Buttons: reset, boot, power
Power: miniUSB or 5V DC Jack

BeagleBone Black vs. BeagleBone Black Wireless
The BeagleBone Black and the BeagleBone Black Wireless (125-2412) boards are very similar. The main difference is that the Wireless version has Wi-Fi and Bluetooth connectivity, instead of the Ethernet LAN connection on the traditional board.

USB-A to mini-B cable, Getting Started guide