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Rosewill N300 Wireless USB Wi-Fi Adapter, 300 Mbps Data Rate, USB 2.0

In stock.
Ships from United States.
  • Easy Setup: Quickly access reliable wireless network connections on your desktop computer, laptop, tablet and more
  • Wireless 11n Speed: Up to 300 Mbps with mobile Wi-Fi hotspot capability to share internet with multiple devices and users; great for connecting while travelling and in areas with limited support
  • Low Power Consumption: Plug in the minimal power consuming Wi-Fi USB adapter and still maintain the battery life of your laptop, notebook or portable device
  • Complies with: IEEE 802.11b, 802.11g and 802.11n Wi-Fi standards
  • Compatible OS: Windows XP / 7 / 8 / 8.1 / 10, Mac and Linux
Rosewill RNX-N300UBv2 N300 USB banner showing the product standing up tilted up to the right in front of an office setting with text that reads: 300Mbps Data Speeds
Rosewill RNX-N300UBv2 N300 USB wi-fi adapter plugged into a laptop, there is also another rosewill n300 wifi adapter next to a quarter

Connect the convenient USB to an available port and easily take it on the go for fast and reliable connectivity.

Rosewill RNX-N300UBv2 sending wireless signals to a desktop PC, laptop and tablet

After completing simple installation steps, users can instantly access reliable wireless networks and share high-speed internet across multiple devices and operating systems.

Rosewill RNX-N300UBv2 plugged into the side of a laptop sending out wireless signals. This image also has text that reads: Maintain battery life of your PC, laptop or tablet even while the USB wi-fi adapter is plugged in

Keep the minimal power-consuming Rosewill N300 USB Wi-Fi adapter plugged in and maintain the battery life of your PC, laptop or other mobile device.

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Return Policies

    We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1, 2021 and December 24, 2021 you will have until January 31, 2022 to return your product. There's nothing additional that you have to do!
  • Return for refund until: January 31, 2022
  • Return for replacement until: January 31, 2022
  • This item is covered by's Extended Holiday Return Policy