<page_title> PCI Express </page_title> <section_title> History and revisions </section_title> <table> <cell> 8b/10b <col_header> Line code </col_header> <col_header> ×4 </col_header> </cell> <cell> 3.0 <col_header> PCI Express version </col_header> <col_header> ×1 </col_header> </cell> <cell> 128b/130b <col_header> Line code </col_header> <col_header> ×4 </col_header> </cell> </table>
PCI Express 3.0 upgrades the encoding scheme to 128b/130b from the previous 8b/10b encoding.