Realtek is a manufacturer with strong technical strength. The wireless network cards it produces have always been good. One of the network cards: Realtek 8812AE Wireless LAN 802.11ac PCI-E NIC, has been recognized by many consumers, In terms of speed, the speed of Realtek 8812AE Wireless LAN 802.11ac PCI-E NIC has reached the current mainstream level. It allows you to watch high-definition network videos smoothly, and it can process some simple network data packets by itself, disassemble the data packets into raw data and send them to the application layer. This will save a lot of CPU resources. But to realize this function, you must install the correct driver for it,If you plan to use the computer for a long time, you can consider using this network card. Realtek 8812AE Wireless LAN 802.11ac PCI-E NIC has a very small heat generation and good stability. In addition, it also supports the sleep function. When the network is not busy, the chip automatically reduces the work frequency and save power, It supports IEEE 802.11b/g/n/ac protocol, not only can connect to most routers, but also connect to other devices that support this protocol, such as mobile phones, wireless network cards, game consoles, etc, Nowadays, more and more people are shopping online. Realtek manufacturers also take this into consideration, so they add encryption function to Realtek 8812AE Wireless LAN 802.11ac PCI-E NIC, which can encrypt data before transmitting to external devices. However, this function is not enabled by default. The encryption function will be enabled only when you set it in the control interface of the driver, In general, this is a good wireless network card, worth having.