https://wccftech.com/tp-link-n300-pcie-wifi-adapter-is-17-off-on-amazon/

TP-Link N300 PCI-E Wireless WiFi Network adapter is currently 17% off the initial price of $17.99, making this PCIe WiFi Network adapter cost just $14.99. This WiFi card offers connectivity speeds of up to 300 MB per second utilizing the two antennas that connect to the outside of the PC case. The two antennas are completely detachable, which offers multiple configurations of both rotation and orientation to fit into the various operating environments.

This card uses the 11N wireless standard, which is noticeably less than the 11AC Dual Band wireless standard, which offers constant connectivity allows for online gaming and even HD video streaming with little to no latency. This low to no latency is perfect for smaller gaming setups, instead of using a USB Wi-Fi card which makes the surrounding area less neat and tidy, this card allows for a much cleaner overall installation.