ASUS ROG STRIX B550-E GAMING Motherboard (ASUS ROG STRIX B550-E GAMING) - AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors, Memory: 4x Dual Channel DDR4 DIMM Slot, Max. 128GB, DDR4 4600MHz, Expansion Slots: 2 x PCIe 4.0x16, 1xPCIe 3.0 x16, 2 x PCIe 3.0x1, Storage: 1xM.2_1 socket 3(PCIE 4.0x4 and SATA modes), 1x M.2_1 socket 3(PCIE 3.0 x4 and SATA modes), 6x SATA 6Gb/s, Operating System: Windows® 10 64-bit, Form Factor: 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm ), Onboard VGA Output Available: 1x HDMI + 1x DP