Reduced to clear! (normally $549) Socket 1151, Intel Z170 Chipset, 4x 3866MHz DDR4 (OC), PCI-E 3.0, 8x SATA3, 3x M.2 Socket 3 Ports, 3x SATA Express, 1x USB 3.1 Type-C, 1x USB 3.1 Type-A, 9x USB 3.0 (5 rear, 4 internal), Gigabit LAN, HD audio, HDMI, Mini DisplayPort, DVI-D, Water Cooling Ready Heat sink Design with G1/4 Threaded Fittings, GIGABYTE UEFI DualBIOS, E-ATX form factor. Backed by a 3 year Gigabyte warranty.