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B550 micro-ATX motherboard for AMD Ryzen 3000/4000/5000 series. Supports DDR4 up to 128GB (4 slots), PCIe 4.0, 2x M.2 NVMe, 4x SATA, Wi-Fi 5 AC, HDMI 2.1, DisplayPort, RGB LED headers. CPU SocketSocket AM4ChipsetAMD B550Form FactorMicro-ATXMotherboard Dimensions244mm (W) x 244mm (D)Supported ProcessorsAMD Ryzen 5000 / 4000 / 3000 SeriesVRM Design5+3 Digital Phases with Thermal ArmorMemory TypeDDR4 SDRAMMemory Slots4x DIMMMaximum Memory128GBMemory Speed SupportDDR4-4733 / 4600 / 4400 / 4266 / 4133 / 4000 / 3866 / 3733 / 3600 / 3466 / 3400 / 3200 / 2933 / 2667 / 2400 / 2133 MHzMemory ChannelsDual ChannelPCIe Slots1x PCIe 4.0 x16 (UD Slot), 1x PCIe 3.0 x16 (x4 mode), 1x PCIe 3.0 x1M.2 Slots2x M.2 (1x PCIe 4.0 x4, 1x PCIe 3.0 x4)M.2 Maximum Length110mmSATA Ports4x SATA 6Gb/sRAID SupportRAID 0, 1, 10Video Outputs1x HDMI 2.1, 1x DisplayPortHDMI SpecificationsHDMI 2.1 (48Gb/s bandwidth, 21:9 cinematic ratio, Full HDR, HDCP 2.3)USB 3.0 Ports4x USB 3.0 (Rear I/O)USB 2.0 Ports2x USB 2.0 (Rear I/O)USB Headers1x USB 2.0 Header, 2x USB 3.0 HeadersLANRealtek RTL8111H Gigabit EthernetWireless ConnectivityWi-Fi 5 AC with AntennaAudio7.1 Channel AudioAudio Connectors1x Microphone, 4x Line-Out 3.5mm, 1x S/PDIF Optical OutFan Headers3x PWM/DC Fan Headers (supports up to 24W per header)Fan ControlSmart Fan 6 with Dual Curve Mode (Slope/Stair)RGB LED Headers3x 4-pin 12V RGB Headers, 2x 3-pin 5V ARGB HeadersPower Connectors1x 24-pin ATX (UD Pin), 1x 8-pin CPU (UD Solid Pin)BIOS128 MbitOverclocking SupportYes (Free Multiplier, RAM Overclocking)AMD StoreMI TechnologySupportedColorBlackMotherboard Weight980g
