ASUS PCE-AC88 is a dual-band AC3100 4x4 Wi-Fi PCI Express (PCIe) adapter for desktop PCs. Its Nitro QAM technology delivers combined wireless speeds of up to 2100Mbps on the 5GHz band and 1000Mbps on the 2. 4GHz band - faster than 3x3 adapters, ensuring smooth streaming and low-latency online gaming. It\'s the first 4x4 802. 11ac PCIe adapter on the market, giving you improved Wi-Fi reception and - when paired with a 4x4 router - the full performance potential of 4x4 Wi-Fi!