MSI B550M-A PRO AM4 Motherboard

Expert Features AMD B550 Chipset (AM4 Ryzen 5000 Ready) : Built for Ryzen 5000 / 3000 / 4000G series , delivering a modern platform with PCIe Gen4 support for gamers and productivity builds. PCIe 4.0 Performance (GPU + NVMe) : Unlock next-gen bandwidth with PCIe 4.0 x16 slot and Gen4 M.2 NVMe , ideal for faster GPUs and ultra-speed SSDs. DDR4 Memory Up To 4600MHz (OC) : Dual-channel memory with A-XMP support ensures high-frequency stability and improved system responsiveness. Core Boost Power Design : Optimized digital VRM layout delivers stable power for multi-core CPUs under heavy workloads. Lightning Gen4 M.2 (64Gbps) : Ultra-fast storage interface dramatically reduces boot times, game loading, and large file transfers. 2oz Thickened Copper PCB : Enhanced PCB design improves heat dissipation, signal integrity, and long-term reliability. DDR4 Boost Technology : Isolated memory traces ensure cleaner signals and maximum compatibility at higher frequencies. Audio Boost (7.1 HD Audio) : Powered by Realtek ALC892/897 , delivering clean and immersive audio for gaming and content consumption. Full Fan Control (BIOS + Software) : Advanced fan tuning with temperature-based curves ensures optimal cooling and low noise operation. Professional PRO Series Design : Clean industrial look with stable components, ideal for business builds, workstations, and budget gaming rigs. USB 3.2 Gen1 Connectivity : Multiple high-speed USB ports for peripherals, storage, and accessories. DIY-Friendly Layout : Logical header placement, easy installation, and wide compatibility with components. Expert Specs Category Specification Model MSI B550M-A PRO Chipset AMD B550 CPU Socket AM4 CPU Support Ryzen 5000 / 3000 / 4000G Series Form Factor Micro-ATX Dimensions 23.6 × 20 cm Memory 2 × DDR4 DIMM Max Memory 64GB Memory Speed Up To 4600 MHz (OC) Memory Features Dual Channel, A-XMP, Non-ECC / ECC (Non-ECC Mode) PCIe Slots 1 × PCIe 4.0 x16 / 1 × PCIe 3.0 x1 Storage 1 × M.2 (PCIe 4.0/3.0) / 4 × SATA 6Gb/s RAID RAID 0 / 1 / 10 (SATA & NVMe) Graphics Outputs HDMI 2.1 (4K@60Hz), DVI-D LAN Gigabit LAN (RTL8111H) USB Rear 4 × USB 3.2 Gen1 / 2 × USB 2.0 USB Front 2 × USB 3.2 Gen1 / 4 × USB 2.0 Audio Realtek ALC892 / ALC897 Cooling Headers CPU Fan / System Fan Internal Headers TPM, Clear CMOS, Front Audio OS Support Windows 10 / 11