(Image credit: Tom's Hardware) Update: 07:30 am (ET) 5/23: Realtek itself has demonstrated its RTL8127 NIC working with an unknown switch using cheap CAT5E cables, and the company’s representatives at the booth emphasised this fact. However, we do not know which switch or router the company used. Yet, most 10GbE routers and switches are designed for CAT6 cabling.Although there are many higher-end motherboards that feature 2.5GbE or even 5GbE network ports, only some of them feature a 10GbE netwo...