W5100 Ethernet Shield Module Micro SD Card Slot for Arduino UNO MEGA<br /><br />Main features:<br />● It is directly supported by Arduino official ethernet library.<br />● It adds a micro-SD card slot， which can be used to store files for serving over the network.<br />● It is compatible with the Arduino duemilanove (168 or 328)， UNO as well as Mega (1280 / 2560) and can be accessed by using the SD library.<br />● The wiznet W5100 provides a network (IP) stack capable of both TCP and UDP.<br />● It supports up to four simultaneous socket connections.<br /><br />    Specifications<br />General<br />  Type: Expansion Board                                                 <br />Weight and Size<br />  Product Weight: 0.028 kg                                                  <br />                        Package Weight: 0.085 kg                                                  <br />                        Product Size(L x W x H): 7 x 5.5 x 2 cm / 2.75 x 2.16 x 0.79 inches                                                  <br />                        Package Size(L x W x H): 14 x 10 x 5 cm / 5.50 x 3.93 x 1.97 inches                                                 <br />Package Contents<br />  Package Contents: 1 x W5100 Ethernet Shield for Arduino                                                 <br /><br /><br /><br />                                                                                            <br />