Arduino Uno Rev 3

KKSB Cases offers Arduino Uno Rev 3 available with many features at affordable price.
Feature 1 - {50mA Direct Current for each 3.3V pin}
Feature 2 - {1KB EEPROM (ATmega328P}
Feature 3 - {Limit for the input voltage ranges from 6V to 20V}.
http://www.kksb-cases.com/store/p163/Arduino_Uno_Rev_3.html