ModelBrandASRockSeriesB550Supported CPUCPU Socket TypeAM4CPU TypeRyzen 3000 Series, Ryzen 3000 G-Series, Ryzen 4000 G-Series, Ryzen 5000 Series, Ryzen 5000 G-SeriesChipsetsChipsetAMD B550South BridgeAMD B550MemoryNumber of Memory Slots4x288pin (DDR4)Memory StandardDDR4 3200Maximum Memory Supported128GBChannel SupportedDual ChannelECC SupportedYesBuffer SupportedUn-bufferedExpansion SlotsPCI Express 4.0 x161 x PCI Express 4.0 x16PCI Express 3.0 x161 x PCI Express 3.0 x16PCI Express x162 x PCI Express x16PCI Express x41 x PCI Express x4PCI Express x11 x PCI Express x1Other Slots1 x M.2 Socket (Key E)Storage DevicesSerial ATA (SATA)4 x SATA 6Gb/sM.21 x M.2 (Support PCIe 4.0 x4)SATA RAID0/1/10Onboard VideoOnboard Video ChipsetAMD Radeon Vega SeriesOnboard AudioAudio ChipsetRealtek ALC1220Audio Channels7.1 ChannelsOnboard LANLAN ChipsetRealtek RTL8111HMax LAN Speed1GbpsWireless LANWiFi IEEE 802.11 a / b / g / n / ac / ax / axeBluetoothYesRear Panel PortsPS/21 x PS/2 keyboard/mouse portCOM1Video PortsHDMI + Display PortHDMI1 x HDMIRJ451 x RJ45DisplayPort1 x DisplayPortUSB 3.18 x USB 3.1USB 3.08 x USB 3.0USB 1.1/2.06 x USB 3.0 + 6 x USB 2.0Audio Ports3 PortsInternal I/O ConnectorsOnboard USB4 x USB 3.2 + 4 x USB 2.0Physical SpecForm FactorMicro ATXLED LightingRGBDimensions (W x L)9.6" x 9.6"Power Pin24 PinSoftware FeatureWindows 11SupportedShippingEnjoy fast and reliable shipping when you buy your products from Newegg. Our ordering and shipping services are among the best in the industry due to short processing times and a variety of shipping methods. Your orders are packaged at one of the many local warehouses across the country, minimizing delivery times and ensuring you get your purchases as soon as possible.PaymentsNewegg has partnered with PayPal to offer you the very best in payment services. PayPal allows you to buy with confidence, knowing your payments are processed quickly and securely with state-of-the-art encryption technology.ReturnReturns are subject to restocking fees of 15% - 30% of the purchase price and return shipping fees. For products that are eligible for return for replacement, the return shipping labels are free for returns for replacement of the same item within the applicable return policy period. Newegg does NOT charge for restocking fees or return shipping labels for returns of defective products, or if you received the wrong product, the product did not match what was shown on the Site, or we made some other shipping error, provided the item is returned within its return policy period, and in accordance with the Return Policy. For international buyers, items shipped internationally do not qualify for manufacturer warranties.