Speed of the Ethernet USB adapter

Hi guys, this is my question.

I recently switched to a network of 300 Mbps, and I noticed that my wireless and ethernet controllers (RealTek Semiconductor RTL8101/2/3 Family Fast Ethernet NIC / network RealTek Semiconductor RTL8188E Wireless LAN 802.11n PCI-E adapter) have a maximum speed of 100 / 150 Mbps.
Can I buy an adapter USB Ethernet Gigabit(e.g. this one) for better performance?
Can I change my wifi controller with

I think 300 Mbit/s is the speed of the internet data outward, the WAN connection. I'll take the side LAN is gigabit ethernet, and Yes you can get near that speed using a gigabit usb adapter. The gigabit usb adapter will allow internal (LAN) transfer of data to somewhere between 5 - 10 times faster than fast ethernet.

Tags: Notebooks

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