We've only had dual-band routers until now, operating on the 2.4GHz and 5GHz band. The Nighthawk X6 offers a 2.4GHz band and two 5GHz bands. These dual 5GHz bands act as performance load balancers. More and more home networks have tablets, smartphones, and gaming consoles performing heavy-demand throughput tasks, such as streaming HD video. You'd normally want to assign those devices to the more-robust 5GHz band, but with so many gadgets competing for throughput, you'd soon saturate it.  The X6 automatically configures its two 5GHz bands on different channels, so you can connect more devices at 5GHz without the performance suffering.

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