Easy Installation – Plug the adapter into an available PCI-E slot to upgrade your desktop High Speed Wi-Fi – Up to 1200 Mbps Wi-Fi speeds (867 Mbps on 5 GHz band & 300 Mpbs on 2.4 GHz band) 802.11ac Dual Band – 3 times faster than the 802.11n standard, perfect for high-intensity network usage Beamforming – Wi-Fi signals are strengthened towards certain direction where client exists Multiple-Size Brackets – Low profile & full heigh brackets are both provided, suitable for all PCs 2x 2 MIMO – Users can easily access to high-speed wireless connection Broad Wireless Range – Two external antennas ensure greater Wi-Fi coverage & enhanced stability TP-LINK's Archer T4E supports the advanced Wi-Fi standard of IEEE 802.11ac, offering 3 times transferring rates as IEEE 802.11n. You can send emails & browse the web with 2.4 G Hz network, while keeping the speedy 5 G Hz band free for gaming, HD streaming & other bandwidth intensive applications. Greater Coverage with Beamforming Beamforming technology smartly focuses Wi-Fi signals towards connected devices for stable connections & boosted range. Heat Sink for Ultimate Stability A heat sink helps to dissipate the thermal energy generated by the adapter, which in turn improves stability. in addition, lower temperatures help to extend the product lifespan. External Antennas for More Targeted signal Two external antennas utilize the latest wireless technology to achieve stable connections & boosted coverage.