Placa Mãe Reference B550-gm2, Rede Gigabit, M.2, Chip B550, Amd Am4, Matx, Ddr4marca:referencemodelo:rfmb-b550-gm2cpu:amd Socket Am4, Support Amd Ryzen Series Cpuchipset:4 X Ddr4 (288pin) Support 2 Ddr4 2133/2400/2800/3000/3200mhz Up To 128gbinterface:1x Ps / 2 Keyboard Port,1xps/2 Mouse Port1x Hdmi Port1x Vga Port1x Dvi Port4x Usb 3.01x Rj45 Port1x 3 In 1 Audio Port (line In/line Out/mic In)portas Internas I/o:1x 24-pin Atx Power Connector1x 8-pin Atx 12v Power Connector2x Usb Connector, Can Support 4* Usb 2.0 1* Usb Connector, Can Support 2* Usb 3.01x F-audio Connector1x F-panel Connector1x F-speaker Connector4x Sata 3.0 6gb/s (a520 Only 2x Sata 3.0)1x Com Port3x Fan Connectorsom Integrado:3 X 3.5mm, 6 Channel Hd Audio 5.1lan:realtek 100/1000 Mbps Lan Onboardportas De Expansão:1x Pci Express 3.0 X161x Pci Express X41x Pci Express X1 1xm.2 Slot (supports Sata Ssd Pci-e Nvme Ssd)power:24-8outra Interface:1x Rj45 1 X Ps/2acessórios:plate 1 Sata Cable , 1 Manual Book, 1 Cd Driverfator De Forma:m-atx 220mm X 245mm