The decision of whether a USB WiFi adapter is better than an internal component depends on the type of device you choose. Since many adapters are compact, they don't have an external antenna, which means you don't always get a stronger connection, or at least not as strong as you might expect, especially compared to internal transmitters. , which are generally three in number. Despite this, some adapters will be equipped with dual antennas, which could ensure a more consistent and reliable connection, although they take up more space.