MSI B450M PRO-VDH Max AMD M-ATX Motherboard - AM4 Ryzen 4xDDR4 3xPCIE 1xM.2 6xUSB3.2 8xUSB2.0 1xDVI-D 1xVGA 1xHDMI Supports 1st, 2nd and 3rd Gen AMD Ryzen™ / Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics / Athlon™ with Radeon™ Vega Graphics Desktop Processors for Socket AM4 Supports DDR4 Memory, up to 3466+(OC) MHz Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs. DDR4 Boost: Advanced technology to deliver pure data signals for the best performance and stability. Audio Boost: Reward your ears with studio grade sound quality. EZ Debug LED: Easiest way to troubleshoot Core Boost: With premium layout and fully digital power design to support more cores and provide better performance. PCI-E Steel Armor: Protecting VGA cards against bending and EMI. Socket AM4 CPU (Max Support) Ryzen 9 Chipset AMD® B450 Chipset DDR4 Memory 1866/ 2133/ 2400/ 2667Mhz (by JEDEC) For AMD Ryzen Gen3 (R5/R7/R9) 2667/2800/2933/3000/3066/3200/3466/3733/3866 by A-XMP OC mode For AMD Other CPU 2667/2800/2933/3000/3066/3200/3466 by A-XMP OC mode Memory Channel Dual DIMM Slots 4 Max Memory (GB) 64 PCI-E x16 1 PCI-E x1 2 SATAIII 4 M.2 Slot 1 TPM (header) 1 LAN 1x Realtek® 8111H Gigabit LAN controller USB 3.2 ports (Front) 2(Gen1, Type A) USB 3.2 ports (Rear) 4(Gen1, Type A) USB 2.0 ports (Front) 4 USB 2.0 ports (Rear) 4 Serial ports(Front) 1 Parallel Port(Front) 1 Audio ports (Rear) Realtek® ALC892 Codec DVI-D 1 VGA 1 HDMI 1 DirectX 12 Form Factor m-ATX Operating System Support for Windows® 10 64-bit Support for Windows® 7 64-bit * To support Windows® 7 64-bit, you must install an AMD Pinnacle Ridge & Summit Ridge CPU.