The SATA Express interface provides PCIe Gen 2 x 2 data transfer speed. This motherboard offers the SATA Express connector to enthusiasts to enjoy the ultimate performance. Unlike traditional motherboards that use analog power, this motherboard uses a next generation digital PWM (Pulse-Width Modulation) design, which provides CPU Vcore voltage more efficiently & smoothly, so that the stability & lifespan of the motherboard is greatly enhanced.