Amazon.com: Yoidesu Ethernet Shield W5100 Network Expansion Board TCP and UDP for Arduino Motherboard (All Versions), for UNO, for mega 1280, for mega 2560. : Electronics
Amazon.com: HQ Ethernet Shield for Arduino : Electronics
Amazon.com: HiLetgo W5100 Ethernet Network Shield W5100 Ethernet Expansion Board with SD Card Slot for Arduino UNO MEGA2560 : Electronics
W5100 Ethernet Shield Network W5100 R3 for UNO Mega 2560 1280 328 UNR Development board with Micro SD Card Slot for Arduino|Integrated Circuits| - AliExpress
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
Amazon.com: SunFounder Ethernet Shield W5100 Compatible with Arduino UNO R3 Mega 2560 1280 A057 : Electronics
Arduino UNO Compatible Ethernet Shield
Amazon.com: SunFounder Ethernet Shield W5100 Compatible with Arduino UNO R3 Mega 2560 1280 A057 : Electronics
Connecting Arduino: Programming And Networking With The Ethernet Shield: Hammell, Bob: 9781500745677: Amazon.com: Books
Amazon.com: W5100 LAN Ethernet R3 Shield Module Micro SD WizNet TCP/IP Network Development Board for Arduino Duem Mega 2560 : Electronics
Ethernet Nano W5100 Ethernet Shield LAN Network Module Board Micro-SD Support TCP UDP for Arduino V3.0 R3 UNO Mega 2560 One: Amazon.com: Industrial & Scientific
Amazon.com: SunFounder Ethernet Shield W5100 Compatible with Arduino UNO R3 Mega 2560 1280 A057 : Electronics
Amazon.com: HiLetgo W5500 SPI to LAN Ethernet Network Module TCP IP STM32 Interface 3.3V 5V for Arduino WIZ820io RC5 : Electronics
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