(Exactly as shown in the pictures). It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button.
Arduino Mega 2560 R3 Board without USB Cable
Arduino Uno compatible (CH340) Development Board
CH340 ATmega 2560 R3 Board Compatible with Arduino MEGA 2560 IDE +
Arduino Mega 2560 Board
UNO R3 Atmega328P Board - Arduino Clone Compatible Model
Buy Iduino Mega 2560 - compatible with Arduino + Botland - Robotic
Arduino Mega 2560 CH340 compatible development board
Buy Arduino Mega 2560 R3 clone (USB cable included) at affordable
Mega2560 Pro ATMEGA2560-16AU USB CH340G Intelligent
ELEGOO MEGA R3 Board ATmega 2560-16AU+ USB Cable Compatible with
CH340 ATmega 328P R3 Board Compatible with Arduino UNO IDE Case
Select your Combo!, ATmega 2560 R3 ATMEGA 2560, CH340 Board , Acrylic Case for ATMEGA 2560 R3, Prototype Shield for ATMEGA 2560 R3,
CH340 ATmega 2560 R3 Board Compatible with Arduino MEGA 2560 IDE + Case + Shield
IDUINO Mega 2560 CH340 R3 Board Atmega2560-16AU Compatible for
ATMEGA 2560 CH340 R3 Board Atmega2560-16AU Compatible for Arduino
MEGA 2560 R3 CH340 with cable – Sunhokey Electronics Co., Ltd