Amazon currently has the D-Link DIR-879 AC1900 EXO WiFi Router on sale right now for $48. This is usually over $100, making this a great price on a really good router, especially if you're into gaming.
The D-Link DIR-879 is a AC capable router, which means it does support 5GHz bands. And of course, that means you're going to get some pretty incredible speeds from this router right here. It includes high-power amplifiers, which is going to provide better coverage around your home, and get rid of those dead spots. It also features SmartConnect, which is band steering to automatically balance the devices connected to your network on the two different bands (2.4GHz and 5GHz). Inside you'll find a dual-core processor for faster wireless speeds, and reliable connections, as well as built-in gigabit ports for those times you need a wired connection.
This item is also eligible for Amazon Prime's free shipping. Which includes free two-day shipping, and pretty cheap next-day shipping if you need it here extra fast. If you are not an Amazon Prime member yet, you can sign up for a free trial of Amazon Prime by hitting the link below. You'll get 30 days free (if you're a student, you get 6 months), and then it's $99/year. Prime members do get a whole lot more than just free shipping though, so be sure to check out the full benefits.