Powered by a dual-core processor, the RT-AC68U eliminates the performance drops that plague other routers with busy networks. So even on the busiest home networks, HD video streaming is always smooth, the latency low for online gaming and VoIP calls, and file downloads are never interrupted. The RT-AC68U also features dual USB ports for file, printers and 3G/4G modems sharing and a USB 3.0 port for up to ten times faster data transfers than USB 2.0.