---
title: "MSI B550M-A PRO - iTechStore"
description: "The MSI B550M-A PRO is a Micro-ATX motherboard with the AMD B550 chipset supporting Ryzen 5000/3000 CPUs. It has 2 DDR4 slots (up to 64GB, 4600 MHz OC), a PCIe 4.0 x16 slot, 1 PCIe 3.0 x1 slot, 1 M.2 PCIe 4.0 slot, 4 SATA ports, Gigabit LAN, 7.1-channel HD audio, HDMI/DVI outputs, and Core Boost power delivery—an affordable, reliable board for compact gaming and productivity builds."
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# MSI B550M-A PRO

The MSI B550M-A PRO is a Micro-ATX motherboard with the AMD B550 chipset supporting Ryzen 5000/3000 CPUs. It has 2 DDR4 slots (up to 64GB, 4600 MHz OC), a PCIe 4.0 x16 slot, 1 PCIe 3.0 x1 slot, 1 M.2 PCIe 4.0 slot, 4 SATA ports, Gigabit LAN, 7.1-channel HD audio, HDMI/DVI outputs, and Core Boost power delivery—an affordable, reliable board for compact gaming and productivity builds.

₨. 15,499** **

Quantity

1

Specifications open Specifications close

| **CPU Support** | AMD Ryzen 5000 & 3000 series desktop processors and AMD Ryzen 4000 G-Series (non-APU moreso); AM4 socket. |
| --- | --- |
| **Chipset** | AMD B550. |
| **Memory** | 2 DDR4 DIMM slots supporting up to 64GB of RAM. |
| **Speeds supported** | From DDR4 1866 MHz up to 4600 MHz (OC) with A-XMP profiles. - Supports Dual Channel, non-ECC UDIMM, and ECC UDIMM (in non-ECC mode). |
| Expansion Slots | |
| <ul><li>- 1 PCIe 4.0/3.0 x16 slot (PCIe Gen depends on the CPU installed),</li><li>- 1 PCIe 3.0 x1 slot.</li></ul> | |
| Storage | |
| <ul><li>- 1 M.2 slot (Key M) supporting PCIe 4.0/3.0 NVMe or SATA SSDs (sizes 2242/2260/2280),</li><li>- 4 SATA 6Gb/s ports supporting RAID 0, 1, and 10.</li></ul> | |
| Onboard Graphics Outputs | |
| <ul><li>- 1 HDMI 2.1 port supporting up to 4K UHD resolution at 60Hz,</li><li>- 1 DVI-D port supporting up to 1920x1200 at 60Hz,</li><li>- Graphics depend on the CPU’s integrated GPU.</li></ul> | |
| **Networking** | 1 x Realtek RTL8111H Gigabit LAN. |
| **Audio** | Realtek ALC892/ALC897 codec providing 7.1 channel HD audio with MSI Audio Boost technology for studio-grade sound quality. |
| USB Ports | |
| <ul><li>- Rear I/O includes USB 3.2 Gen 1 Type-A ports,</li><li>- Internal headers support additional USB 3.2 Gen 1 and USB 2.0 ports.</li></ul> | |
| **Power Design** | Core Boost technology with premium layout and digital power design to support multi-core CPUs for stable performance. |
| Cooling & Build Quality | |
| <ul><li>- 2oz thickened copper PCB for better heat dissipation and reliability,</li><li>- Multiple fan connectors for CPU and system fans,</li><li>- Built-in EZ Debug LEDs for troubleshooting.</li></ul> | |
| **Protection Features** | Double ESD protection to prevent static damage, PCIe Steel Armor slot for heavy GPUs and EMI protection. |
| **Software** | MSI Dragon Center for system tuning, monitoring, and fan control; BIOS and software support for overclocking and fan profiles. |
| **Form Factor** | Micro-ATX (23.6 cm x 20 cm). |
| Other Features | |
| <ul><li>- Supports RAID 0,1 and 10 for SATA and RAID 0/1 for M.2 NVMe,</li><li>- TPM header for security module support,</li><li>- Clear CMOS jumper,</li><li>- 8 mounting holes.</li></ul> | |

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SKU: MSI-D65032A1

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