It provides high-speed internet for tasks like HD streaming, gaming, and video conferencing without the cost of high-end AC or AX cards. Best Use Cases for 802.11n PCIe Adapters
Those are usually based and available on AliExpress/eBay for ~$10-15. They work, but have poor Linux support and moderate Windows 10/11 driver availability. 80211n wireless pci express card lan adapter exclusive
For most desktop users wanting reliable Wi‑Fi without upgrading to AC/AX routers, pick a dual-band 2x2 PCIe 802.11n adapter with detachable high-gain antennas from a reputable vendor (Intel or Atheros chipset), install vendor drivers, and use 5 GHz whenever possible. It provides high-speed internet for tasks like HD