MSI B450M-A PRO MAX IIAMD AM4 motherboard inspired from architectural design, with Core Boost, DDR4 Boost, Turbo M.2, USB 3.2 Gen1Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series, 3000 G-Series, 2000 Series, 2000 G-Series and 1000 Series desktop processors and Athlon™ with Radeon™ Vega Graphics desktop processorsSupports DDR4 Memory, up to 4133 (OC) MHzTurbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs.Audio Boost: Reward your ears with studio grade sound quality.2.5G LAN: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connectionX-Boost: Software that auto-detects and allows you to boost the performance of any storage or USB device.Core Boost: With premium layout and fully digital power design to support more cores and provide better performance.CPUSupports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series, 3000 G-Series, 2000 Series, 2000 G-Series and 1000 Series Desktop Processor and Athlon™ with Radeon™ Vega Graphics desktop processorsSocket AM4CHIPSETAMD B450MEMORY2x DDR4, Maximum Memory Capacity 64GBMemory Support DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133 MHz (by A-XMP OC MODE)Supports Dual-Channel modeSupports non-ECC, UDIMM memorySupports ECC UDIMM memory (non-ECC mode)Supports un-buffered memoryONBOARD GRAPHICS1x HDMI™Support HDMITM 2.0b, maximum resolution of 4K 60Hz*1x DVISupport DVI-D, maximum resolution of 1920x1200 60Hz*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.EXPANSION SLOTS1x PCI-E x16 slot1x PCI-E x1 slotPCI_E1 Gen PCIe 3.0 supports up to x16 (From CPU)PCI_E2 Gen PCIe 2.0 supports up to x1 (From Chipset)STORAGE1x M.2M.2_1 Source (From CPU) supports up to PCIe 3.0 x4 / SATA mode, supports 2280/2260/2242 devices4x SATA 6GSupports RAID 0, RAID 1 and RAID 10 for SATA storage devicesUSB2x USB 2.0 (Rear)4x USB 2.0 (Front)4x USB 3.2 Gen1 Type A (Rear)2x USB 3.2 Gen1 Type A (Front)LANRealtek 8125 2.5Gbps LAN controllerAUDIORealtek ALC897 Codec7.1-Channel High Definition AudioINTERNAL I/O1x Power Connector(ATX_PWR)1x Power Connector(CPU_PWR)1x CPU Fan1x System Fan2x Front Panel (JFP)1x Chassis Intrusion (JCI)1x Front Audio (JAUD)1x Com Port (JCOM)1x TPM pin header(Support TPM 2.0)4x USB 2.0 ports2x USB 3.2 Gen1 Type A portsBACK PANEL I/O2x Keyboard/Mouse1x DVI-D1x HDMI™4x USB 3.2 Gen 1 5Gbps (Type-A)1x 2.5G LAN3x Audio connectors2x USB 2.0OPERATING SYSTEMSupport for Windows 11 64-bit, Windows 10 64-bitFORM FACTORmATX200mmx236mm