Complete with two types of the most commonly used connectors. With a D-Sub + HDMI combination, you now have more options for graphics output. It supports the HDMI 4K 60Hz graphics output specification. With the larger bandwidth and higher frame rate, movements on your screen will be smoother and less blurry. Compared to traditional throttles, ASRock's premium throttles provide up to three times higher saturation current, resulting in improved Vcore voltage on the motherboard. Pure black PCB appearance. The Sapphire Black PCB signifies solid quality and gives the motherboard a mysterious touch. High Density Glass Fabric PCB design reduces the gaps between PCB layers to protect the motherboard from moisture-related short circuits. Some sensitive digital components on the motherboard are susceptible to power surges, and excessive power can lead to an immediate malfunction of your system. ASRock Full Spike Protection includes various technologies that prevent your motherboard components from being damaged by these unexpected voltage spikes.