Mainboard | ASROCK | AMD B550 | SAM4 | MicroATX | 1x PCI-Express 3.0 1x | 1x M.2 | 1x PCI-Express 4.0 16x | Memory DDR4 | Memory slots 2 | 1x 15pin D-sub | 1x DVI | 1x HDMI | 2x USB 2.0 | 4x USB 3.2 | 1x PS/2 | 1x RJ45 | 3x Audio port | B550M-HDV

6 Power Phase DesignFeaturing sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.Premium 50A Power ChokeCompared to traditional chokes, ASRock’s premium 50A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.Hyper M.2 (PCIe Gen4 x4)Supports the next generation PCI Express 4.0 M.2 SSDs, it is capable of perform twice the speed compared to previous 3rd generation, giving a lightning fast data transferring experience.HDMI 4k @60HzSupports the most recent HDMI 4K 60Hz graphics output specification. With the larger bandwidth and increased frame rate, the motion on your screen becomes more fluid and less blurry.3 Graphics OutputsComplete with all three types of most used connectors! Packed with a D-Sub + DVI-D + HDMI combo. Plus the HDMI port supports 4K resolution.*Supported only with processors with integrated graphics. Please check CPU support list from each motherboard webpage.Full Spike ProtectionSome sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard’s components from being damaged by these unexpected voltage spikes.Live Update & APP ShopASRock Live Update & APP Shop is designed for your convenience. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop.Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryzen™ Processors6 Power Phase DesignSupports DDR4 4733+ (OC)1 PCIe 4.0 x16, 1 PCIe 3.0 x1Graphics Output Options: HDMI, DVI-D, D-Sub7.1 CH HD Audio (Realtek ALC887 Audio Codec)4 SATA3, 1 Hyper M.2 (PCIe Gen4 x4 & SATA3)6 USB 3.2 Gen1 (2 Front, 4 Rear)Gigabit LAN