MSI B550-A Pro ATX AM4 DDR4 AMD B550 Chipset Motherboard
🔹 Build a powerful and reliable desktop system with the MSI B550-A PRO Motherboard, featuring the AMD B550 chipset, DDR4 memory support, PCIe 4.0, and high-speed M.2 storage connectivity. Designed for AMD Ryzen™ processors, it delivers versatile expansion, efficient thermal management, and essential connectivity for high-performance computing and demanding workloads.
Key Features & Specifications
Processor Compatibility
🔹 Supports AMD Ryzen™ 5000 and 3000 Series desktop processors.
🔹 Supports AMD Ryzen™ 4000 G-Series desktop processors.
🔹 Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G processors.
Memory Support
🧠 4 x DDR4 memory slots.
🧠 Supports up to 128GB of system memory.
🧠 Supports memory speeds up to 4400+ MHz with A-XMP OC Mode.
🧠 Dual-channel memory architecture.
🧠 Supports non-ECC UDIMM and ECC UDIMM memory in non-ECC mode.
High-Speed Performance
⚡ PCIe 4.0 support for compatible processors.
⚡ Lightning Gen4 x4 M.2 connectivity.
⚡ AMD Turbo USB 3.2 Gen 2 with transfer speeds up to 10Gbps.
⚡ 2 x M.2 slots and 6x SATA 6Gb/s ports for storage expansion.
Premium Thermal Solution
❄️ Extended heatsink design.
❄️ Additional choke thermal pad and 7W/mK thermal pad.
❄️ M.2 Shield Frozr for improved M.2 thermal management.
Powerful Design
💪 Core Boost technology.
💪 Digital PWM IC.
💪 2oz thickened copper PCB.
💪 DDR4 Boost.
💪 Creator Genie.
Graphics & Expansion
🎮 1 x PCIe 4.0/3.0 x16 slot.
🎮 1 x PCIe 3.0 x16 slot supporting x4 speed.
🎮 2 x PCIe 3.0 x1 slots.
🎮 Supports 2-Way AMD CrossFire™ technology.
🎮 HDMI™ 2.1 and DisplayPort outputs, supporting up to 4096 × 2160 resolution at 60Hz with a compatible processor featuring integrated graphics.
Storage & RAID
💾 2 x M.2 slots supporting compatible PCIe and SATA storage devices.
💾 6 x SATA 6Gb/s ports.
💾 Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices.
💾 Supports RAID 0 and RAID 1 for M.2 NVMe storage devices.
USB Connectivity
🔌 2 x USB 3.2 Gen 2 10Gbps ports on the rear panel: 1 x Type-A and 1 x Type-C.
🔌 4 x rear USB 3.2 Gen 1 5Gbps Type-A ports.
🔌 4 x rear USB 2.0 Type-A ports.
🔌 Internal USB connectors for additional USB expansion.
Audio & Networking
🎧 Realtek® ALC892/ALC897 audio codec.
🎧 7.1-channel High Definition Audio.
🎧 Realtek® 8111H Gigabit LAN controller.
Additional Features
🌈 1 x 4-pin RGB LED connector.
🌈 2 x 3-pin RAINBOW LED connectors.
🌈 Flash BIOS Button.
🌈 Multiple fan connectors, including CPU, water-pump, and system fan headers.
🌈 MSI Dragon Center software integrates MSI-exclusive tools through a user-friendly interface.
Physical Specifications
📐 Motherboard Form Factor: ATX
📐 Motherboard Dimensions: 30.5 × 24.4 cm (12 × 9.6 inches)
📐 Chipset: AMD B550
📐 Processor Socket: AM4

⚠️ Reminders
1️⃣ Please record a full unboxing video as proof in case of issues.
2️⃣ Verify the delivery rider’s ID or take a photo with your payment for security.

