TRENDnet TE100-S80g 8-Port GREENnet Switch for $6.99 shipped.  Here is a screenshot for your reference.  This TRENDnet TE100-S80g 8-Port 10/100Mbps GREENnet Switch provides automatically adjusts power voltage as needed to achieve energy savings.  Alternatively, it is also available at Amazon for $6.99 shipped.  Most places have this switch for about $19.