Update - I've power cycled the XB7 and moved my Ethernet cable to the 2.5Ghz port on the back and my speeds are back to normal (700-800mbps).I haven't investigated further it could've been just the power cycle or there's a faulty 1ghz port or it's ca...
I got the XB7 installed yesterday to replace my XB6, especially for the new fanless design. On wifi, my speeds are faster and more reliable throughout the house, but wired, I went from 600-700mbps with the XB6 to 80mbps on the XB7 on my gaming deskt...
