kuman K15 Ethernet Shield W5100 Micro-sd Card Slot for Arduino 2009 UNO Mega 1280 Mega 2560 Nano Duemilanove Direct plug puzzle board, NO soldering needed Supports reading and writing mini SD / TF card Brand new ethernet shield with wiznet W5100 ethernet chip The Ethernet W5100 network expansion module allows the Arduino to be a simple Web server With Micro SD card slot, supports SD card up to 2GB, supports 2009, UNO, mega 1280, mega 2560, Nano, Duemilanove