As Gigabyte's entry-level Z590 model, the Z590 UD AC features a black and white PCB design. The GIGABYTE Z590 UD AC includes Wi-Fi 5 802.11ac support, including three PCIe M.2 slots, 2.5 Gb Ethernet, and advertised as having a 12+1 phase power delivery. With Z590 UD AC Motherboard, RGB Fusion 2.0 is even better with Addressable LEDs.* RGB Fusion 2.0 offers users the option to control onboard RGB and external RGB / Addressable LED light strips for their PC.