I'm looking for extra gigabit ethernet. I need 4 EXTRA ethernet ports on my raspberry. Can anyone help me? Is there a breakout board with the chip lan7515?
The question is why you need 5 Gb ports on a 1.5 GHz machine. No way a r-pi can handle or generate that much data.
If the 5 port ethernet switch Ingo proposed to you isn't what you need, your best bet is to buy a big USB hub and plug 4 USB - ethernet adapters in. I believe onboard ethernet adapter is USB (but I'm not positive), so you would get about the same speed from each.