Wired PCI Express WLAN Wi-Fi Dual-band (2.4 GHz / 5 GHz) Internal ASUS PCE-AC88 is a dual-band AC3100 4x4 Wi-Fi PCI Express® (PCIe®) adapter for desktop PCs. Its NitroQAM(1024-QAM) technology delivers combined wireless speeds of up to 2100Mbps on the 5GHz band and 1000Mbps on the 2.4GHz band60% faster than 3x3 adapters, ensuring smooth streaming and low-latency online gaming1. Its the first 4x4 802.11ac PCIe® adapter on the market, giving you improved Wi-Fi reception andwhen paired with a 4x4 routerthe full performance potential of 4x4 Wi-Fi!Enjoy 60% faster Wi-Fi on your desktopNitroQAM(1024-QAM) technology gives PCE-AC88 Wi-Fi speeds of up to 2100Mbps (5GHz) and 1000Mbps (2.4GHz), so you can enjoy smooth streaming and low-latency online gaming on your desktop PC.Unrivaled Wi-Fi reception with the first ever 4x4 adapterWith a four-transmit, four-receive (4x4) antenna design, Wi-Fi range and signal stability are improved dramatically for faster, clearer and stronger Wi-Fi