Hardware interface between Arduino Mega and Arduino Ethernet shield | Download Scientific Diagram
Board with Mega/Atmega2560 and W5100 Ethernet - Other Hardware Development - Arduino Forum
Amazon.com: DEVMO W5100 Ethernet Network Shield LAN for Ar-duino Expansion Board Module with SD Card Slot Compatible with Ar-duino UNO MEGA2560 UNO R3 ATMega 328 MEGA 1280 : Electronics