The Sabertooth 990FX from ASUS is part of the manufacturer's Sabertooth-Series motherboards, which makes it feature a black PCB and the vendors TUF component set. Although the architecture is definitely not "fresh" anymore, ASUS decided to "refresh" their AMD series Sabertooth board, by adding features similar to those offered on their Intel motherboards. This board certainly offers more than just a pretty color scheme like for instance good versatility regarding storage and peripheral connectors like USB 3.1 and M.2 SSD.
ASUS doens't need any introduction here, hovewer we're going to spend a few words on what the vendor must have been thinking putting this platform together. The AM3 socket was released in 2009 when AMD introduced their Phenom II series processors and the back in the days the chipset supported DDR2 as well as DDR3. In 2011, AMD released Bulldozer as well as the AM3+ socket. There are only small differences between AM3 and AM3+. In fact, even today you can use an AMD AM3+ CPU on an older AM3 motherboard.
A few years ago ASUS released the very first Sabertooth motherboard based on the 990FX chipset and the latest version of ASUS' Sabertooth AMD board has been added M.2 slot and USB 3.1 support as well as AURA LED lighting.