Small Tree Communications today announced that it is ready to ship and support its multi-port copper Gigabit Ethernet and optical Gigabit Ethernet cards on the newly announced Apple Mac Pro.  Designed for small workgroup, data center and enterprise installations, Small Tree’s Ethernet cards and drivers provide the I/O performance required by the Intel Xeon 5100 based systems. Small Tree offers PCI-Express Gigabit Ethernet cards today with one or two ports and either copper or optical connections. Four port cards are in development. Additionally, all of Small Tree’s products for the new Mac Pro are RoHS-compliant.