Ethernet Shield W5100 for Arduino UNO R3

Ethernet Shield W5100 for Arduino UNO R3 Mega 2560 1280 A057

-With this Ethernet Shield, your Arduino board can be used to connect to internet.
-Can be used as server or client.
-Directly plug puzzle board, no soldering required.
-It is directly supported by Arduino official Ethernet Library.
-It adds a micro-SD card slot, which can be used to store files for serving over the network.
-Controller: W5100.
-This is the latest version of the Ethernet Shield.
-This Arduino Ethernet Shield which is based on the Wiznet
-W5100 Ethernet Chip gives you an easy way to get your Arduino Online.
-compatible with the Arduino Duemilanove (168 or 328), Uno as well as Mega (1280/2560) and can be accessed using the SD library.
-The Wiznet W5100 provides a network (IP) stack capable of both TCP and UDP.
-It supports up to four simultaneous socket connections.
-Use the Ethernet library to write sketches which connect to the internet using the shield.
-Fits all version of arduino Main board,2009,UNO, mega 1280, mega 2560.
-Size:7cm x 5.4cm x 2.4cm - 2.76inch x 2.12inch x 0.94inch.
-MAC address: 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };