On the other hand, the USB sticks only have the 5V that the USB port provides to supply power, while the internal PCIe cards can take advantage of the 12V that the socket works on. To start with, its coverage is much better since they can carry many more antennas, while USB sticks are usually internal and small, so they must be relatively closer to the router to have good coverage. However, everything else is advantageous. We have already discussed that the biggest disadvantage of this type of wireless card is its installation, since you will have to open the PC to install it, install the drivers, etc., so of course in terms of flexibility they lose out. Advantages of WiFi by internal PCIe card over USB In any case, you have the advantage that you can use them for example to provide a NAS with a wireless connection, while PCIe cards are limited to desktop PCs only. ![]() ![]() Some USB WiFi sticks are so small that they take up almost no space, although some have built-in external antennas for better coverage.
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