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 band — 60% faster than 3x3 adapters, ensuring smooth streaming and low-latency online gaming1. 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!