MSI B450M-A PRO MAX II AM4 Motherboard – DDR4 4133MHz OC, PCIe 3.0 x16, Turbo M.2 Gen3 x4, 2.5G LAN, HDMI 4K, USB 3.2 Gen1, Audio Boost, mATX for Ryzen 5000 Ready, Supports Ryzen 1000 to 5000 Series

Expert Features AMD AM4 Platform (Ryzen 1000 → 5000 Ready) : Broad CPU compatibility supporting Ryzen 5000 / 4000G / 3000 / 2000 / 1000 series and Athlon Vega, making it ideal for upgrades and budget gaming builds. DDR4 Memory Up To 4133MHz (OC) : Dual-channel DDR4 architecture with A-XMP support enables stable high-frequency memory tuning for better gaming responsiveness. Core Boost Power Design : Optimized circuit layout with digital power delivery ensures stable CPU performance, even under sustained workloads. Turbo M.2 NVMe Gen3 x4 : High-speed M.2 slot delivering up to 32Gbps bandwidth, significantly reducing load times and boosting system responsiveness. 2.5G LAN High-Speed Networking : Realtek 2.5Gb Ethernet offers faster-than-gigabit speeds for smoother online gaming, streaming, and file transfers. Audio Boost Technology : Isolated audio circuitry powered by Realtek ALC897 delivers clean 7.1-channel HD sound for immersive gaming and media. Heavy Plated Heatsink Design : Enlarged heatsinks improve thermal dissipation and maintain system stability during long sessions. PCIe 3.0 x16 Graphics Slot : Full-speed GPU support for modern graphics cards, paired with reinforced design for durability. Optimized PCB & DDR4 Boost : Enhanced trace layout and isolated memory design ensure signal stability and improved compatibility. USB 3.2 Gen1 Connectivity : Multiple high-speed USB ports for peripherals, storage devices, and gaming accessories. DIY-Friendly Layout : Clean motherboard design with accessible headers, optimized SATA/USB placement, and easy installation for builders. X-Boost Software Optimization : Automatically enhances USB and storage performance for better system efficiency. Expert Specs Category Specification Model MSI B450M-A PRO MAX II Chipset AMD B450 CPU Socket AM4 CPU Support Ryzen 1000–5000 Series, Athlon with Vega Form Factor mATX Dimensions 200 × 236 mm Memory 2 × DDR4 DIMM Max Memory 64GB Memory Speed Up To 4133 MHz (OC) Memory Features Dual Channel, A-XMP, Non-ECC / ECC (Non-ECC Mode) PCIe Slots 1 × PCIe 3.0 x16 / 1 × PCIe 2.0 x1 Storage 1 × M.2 PCIe 3.0 x4 / 4 × SATA 6Gb/s RAID RAID 0 / 1 / 10 Graphics Outputs HDMI 2.0b (4K@60Hz), DVI-D LAN Realtek 2.5G LAN USB Rear 4 × USB 3.2 Gen1 / 2 × USB 2.0 USB Front 2 × USB 3.2 Gen1 / 4 × USB 2.0 Audio Realtek ALC897 7.1 Channel HD Audio Cooling Headers CPU Fan / System Fan Internal Headers TPM 2.0, COM Port, Front Audio OS Support Windows 11 / Windows 10