Download installation instructions here: https://s3-us-west-1.amazonaws.com/w5100installation/W5100+Arduino+W5100+Test+.doc
Direct plug puzzle board, NO soldering needed; Supports reading and writing mini SD / TF card
Brand new Arduino ethernet shield with wiznet W5100 ethernet chip
The Arduino 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

Technical Details

Size (LWH): 5.8 inches, 2.7 inches, 0.8 inches
Product Details
Product Dimensions: 5.8 x 2.7 x 0.8 inches
Shipping Weight: 0.02 pounds (View shipping rates and policies)
ASIN : B00RIKTVOG