SunFounder Mega 2560 R3 ATmega2560-16AU Board and Ethernet Shield W5100 for Arduino : Electronics
Arduino connection with Ethernet ENC28J60 module Botland - Robotic Shop
SUQ Ethernet W5100 network expansion board SD card Shield for arduino with Mega 2560 R3 Mega2560 REV3 and usb cable|shield for arduino|shield cardarduino sd card - AliExpress
Programming and Using the Arduino Ethernet Board - YouTube
Geekcreit UNO R3 USB Development Board With Ethernet Shield W5100 Kit For Arduino – Arduino Tech
Arduino Ethernet Shield R3 : Electronics
Using both USB Host ver 2.0 and Ethernet shield on UNO - Networking, Protocols, and Devices - Arduino Forum
FRDM with Arduino Ethernet Shield R3, Part 1: SD Card | MCU on Eclipse