Is an Ethernet to Thunderbolt adapter superior to an Ethernet to USB 3.0 adapter, even if both are capable of gigabit speeds?

I connect my mid 2013 Macbook Air to Ethernet using Apple's Thunderbolt adapter. I also need to connect with a display monitor using a VGA connection. I also have an Apple Mini-DisplayPort to VGA adapter. I'd like to connect via ethernet while using my display monitor without sacrificing gigabit speed (ex. Apple's USB to Ethernet adapter only supports 10/100BASE-T). What is the ideal configuration to achieve this? USB 3.0 to Ethernet, VGA to USB 3.0, etc. Any suggestions would be great, thanks.

Moshi USB 3.0 to Gigabit Ethernet Adapter

Moshi USB 3.0 to Gigabit Ethernet Adapter

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