MSI B450-A PRO MAX ATX Motherboard Key Features ATX Motherboard AMD AM4 Socket with AMD B450 Chipset Supports DDR4 Memory up to 2666MHz Supports PCIe Gen 3 6 SATA III Slots, 1 M.2 Slot 3 Year Warranty with MSI Overview Get serious gaming performance with the MSI B450 A-PRO MAX and its arsenal of game enhancing abilities. GAMING LAN, Turbo M.2, optimized gaming audio and great cooling with a gaming theme are just a few of many empowering aspects. The B450 A-PRO max makes use of the striking design combined with PCI-e lane armouring, whilst boosts to other areas such as the DDR4 memory power help push this motherboard above others and allow speeds of up to 4133(OC) MHz. Plus, you can be sure it will last thanks to the high-quality components used in construction that MSI always provides. Specifications Form Factor ATX Socket AMD AM4 Socket Chipset AMD B450 Chipset Max CPU Support AMD Ryzen 5000 Series Memory Channel Dual Memory Support DDR4 Up to 2666MHz DIMM Slots 4 Max Memory 128GB PCIe Gen Gen 3 PCIe x16 2 (1 x PCIe 3.0, 1 x PCIe 2.0) PCIe x1 4 (PCIe 2.0) SATA 3  6 M.2 Slots 1 Front Ports 2 x USB 3.2, 4 x USB 2.0 Rear Ports 2 x USB 3.1 Gen 2, 2 x USB 3.1 Gen 1, 2 x USB 2.0, 1 x Keyboard/Mouse PS/2, 6 x HD Audio Connectors VGA Ports 1 DVI-D Ports 1 DisplayPort 1.4 0 HDMI Ports 1 Audio Chip Realtek ALC897 LAN Ports Realtek GbE LAN chip Operating System Windows 10 64-bit, Windows 7 64-bit DirectX 12