propart ethernet shield w5100 ethernet shield for arduino main board uno r3 atmega 328 mega2560 | elliott electronic supply
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
AMD FirePro W5100 4GB GDDR5 128-Bit PCI Express 3.0 x16 Full Height Video Card
Ethernet Shield W5100 - ProtoSupplies
Amazon.com: W5100 Ethernet Network Shield W5100 Ethernet Expansion Board with SD Card Slot for Arduino for UNO 2009 MEGA1280 MEGA2560 (All Versions) : Electronics
WIZnet W5100 Network Module with Mag Jack - WIZ811MJ - DEV-09473 - SparkFun Electronics
Keyestudio W5100 Ethernet Shield Board with SD Card Slot Original Chip Compatible With Arduino UNOR3 /Mega 2560R3/DUE/1280