After three years of 802.11ac, we've already arrived at the fourth generation of routers that support this standard. The Netgear R8000 is the first model that we'll put to the test. This device is a very different animal from the R7500 Nighthawk X4, which we reviewed around nine months ago. While the R7500 (as well as other models, such as the ASUS RT-AC87U) made use of Multi-User MIMO to simultaneously serve as many clients as possible, the R8000 is a so-called Tri-band router.