W5100 Ethernet Shield is compatible with Arduino UNO , Arduino MEGA.| RGIPL
Ethernet Shield W5100 R3 For Arduino Mega 2560
Sintron] UNO R3 board with Ethernet Shield W5100 + PDF for Arduino AV – Sintron Technology
A000056 - Arduino - Development Board, Arduino Due, AT91SAM3X8E MCU
For Arduino Shield Ethernet Shield W5100 R3 UNO Mega 2560 1280 328 + MEGA328P ATMEGA16U2 Development board
Amazon.com: SunFounder Ethernet Shield W5100 Compatible with Arduino UNO R3 Mega 2560 1280 A057 : Electronics
W5100 Ethernet Shield - RobotShop
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