Fastest ethernet card for dell xps 435mt

[muddy7]

my dell xps 435mt has this network adapter:
Intel gigabet 82567LF-2

is there a better faster adapter i can buy for my pc? the faster the better

thanks

 

[jay_nar2012]

http://www.small-tree.com/Intel_Based_10_Gb_PCIe_Dual_Port_Copper_10_Gb_Et_p/petg1-cat6a.htm