The Arduino Mega 2560 is an update on the older Mega board and provides a 54 digital IO pins, perfect for larger projects. If you've worked with the Arduino Uno, or other smaller Arduino boards, then you'll love the Mega 2560.
Arduino MEGA 2560 Rev3 – Microbot Electrónica
Arduino Mega 2560 R3 - ORIGINAL ARDUINO (A000067)
Arduino Mega 2560 Rev3 — Arduino Official Store
Arduino Mega 2560 R3 - DEV-11061 - SparkFun Electronics
USB Data Sync Cable Connect The Microcontroller to PC or Mac for Arduino UNO(A000066) Arduino Mega 2560(A000067) Rev 3 R3 Generic ATmega328P/ATmega2560 : Electronics
Electronics-Salon Prototype Screw/Terminal Block Shield Board Kit for Arduino MEGA-2560 R3.: : Industrial & Scientific
ELEGOO MEGA R3 Board ATmega 2560 (Black) & ELEGOO Nano Board CH 340/ATmega+328P : Electronics
Arduino Mega 2560 is designed for your most ambitious projects which require additional pins and extra memory Based on the 8-bit AVR microcontroller
Arduino Mega 2560 REV3 [A000067]
Arduino Mega 2560 R3 - A000067 - BC Robotics
ARDUINO MEGA 2560 R3 A000067 ATMEGA2560 DEVELOPMENT BOARD MODULE