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MSI B550M-A PRO AMD Socket AM4 Motherboard
CPU
| CPU Socket | Socket AM4 |
| CPU Brand | AMD |
| Installed Processors (Max) | 0 (1) |
| Supported Processor Manufacturer | AMD |
| Supported Processors | AMD Ryzen 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and AMD Ryzen 4000 G-Series desktop processors |
| 64-bit Support | Yes |
| Socket | AM4 |
Rear Panel I/O Ports
| USB Ports | 4 x USB 3.0 2 x USB 2.0 |
| HDMI Port | 1 x HDMI 2.1 |
| Keyboard Port | 1 x PS/2 |
| Mouse Port | 1 x PS/2 |
| RJ-45 Ports | 1 x RJ-45 |
| Digital Port | 1 x DVI-D |
| Audio Line In Ports | 1 x 3.5mm Jack |
| Audio Line Out Ports | 1 x 3.5mm Jack |
| Microphone In Port | 1 x 3.5mm Jack |
Internal I/O Connectors
| SATA Connectors | 4 x SATA III |
| USB Connectors | 1 x USB 3.0 header (supports 2 ports) 2 x USB 2.0 headers (supports 4 ports) |
| Front Panel Connectors | 1 x Front Panel 1 x Front Audio |
| Cooling Fan Support | 1 x CPU fan header 1 x System fan header |
| Chassis Intrusion Connector | 1 x Chassis Intrusion header |
| TPM Header | 1 x TPM header |
| Power Connector Port | 1 x 20+4-pin ATX 1 x 4-pin EPS |
| Other Connectors | 1 x M.2, Socket 3, M Key (Type 2242/2260/2280) |
Memory
| Memory Bus Speed | 1866/ 2133/ 2400/ 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600+ MHz |
| Memory Type | DDR4 |
| Maximum RAM | 64 GB |
| Memory Slot | 2 x DIMM |
Motherboard
| Chipset Manufacturer | AMD |
| Northbridge | B550 |
| RAID Supported | Yes |
| RAID Format | RAID 0, 1, 10 |
| SATA Supported | Yes |
Expansion
| Number of PCI Express Slots | 1 x PCI Express 4.0 x16 1 x PCI Express 3.0 x1 |
Graphics Device
| Integrated Graphics Supported | Yes |
Sound
| Integrated Sound | Realtek ALC892/ALC897 |
Warranty
| Warranty | 3 Years |
Network
| Integrated Network | Realtek RTL8111H |
| Network Speeds Supported | Up to 1 Gbps |
| Wireless LAN | No |
| Bluetooth | No |
System Requirements
| Operating Systems Supported | Microsoft Windows 10 64-bit |
System
| Jumpers | 1 x Clear CMOS |
| Software Included (may be trial or restricted) | Yes |
| Drivers | Yes |
Physical
| Form Factor | MicroATX Motherboard |
| In The Box | B550M-A PRO Motherboard Quick Installation Guide MSI Case Badge 2 x SATA Cables Product Registration Card I/O Shield Driver DVD Promotion Card |
| Width | 236 mm |
| Length | 200 mm |
Key Features
| Firewire | No |
| Wireless Network | No |
| Memory Channel | Dual |
| On-board Audio Type | 7.1 |
| Number of SATA Ports | 4 port(s) |
| Number of USB Ports | 6 port(s) |
| SATA III Support | Yes |
| USB 3.0 Support | Yes |
| Multi GPU Support | No |
| VGA Connection | No |
| DVI Connection | Yes |
| HDMI Connection | Yes |
| DisplayPort Connection | No |
| Motherboard Form Factor | mATX |
| Motherboard Power Connectors | 4-Pin |
| Motherboard Chipset | AMD B550 |
| Thunderbolt | No |
| Motherboard Model | MSI B550M-A PRO |
| USB 3.1 Support | No |
| Internal USB3.0 Header | Yes |
| M.2 Support | Yes |
| On-board RGB Control | None |
| Memory Speed | 4600 MHz |
| RGB Header Type | None |
| Addressable RGB | No |
Item Details
| Manufacturer | MSI |
| Manufacturer Code | B550M-A PRO |
| EAN | 4719072752613 |
| UPC | 824142225257 |
| Condition | New |
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