Get on Amazon.com : http://www.amazon.com/gp/product/B003CFATU6?tag=clothingattes-20<br /><br />TP-LINK TL-SF1048 48-Port 10/100Mbps Switch 19-inch Rackmount 9.6Gbps Capacity<br /><br />48 10100Mbps RJ45 ports <br />Innovative energy-efficient technology saves power up to 50 <br />Supports MAC address self-learning and auto MDIMDIX <br />Input 100240VAC 5060Hz Output 33VDC8A <br />Innovative energy-efficient technology saves power up to 50 <br />100 Data filtering rate eliminates all error packets