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MSI B550-A PRO DDR4 ATX Retail Motherboard
CPU
| CPU Socket | Socket AM4 |
| CPU Brand | AMD |
| Installed Processors (Max) | 0 (1) |
| Supported Processor Manufacturer | AMD |
| Supported Processors | 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update |
| 64-bit Support | Yes |
| Socket | AM4 |
Rear Panel I/O Ports
| USB Ports | 1 x USB 3.1 Type-C 1 x USB 3.0 Type-A 2 x USB 3.0 4 x USB 2.0 |
| DisplayPorts | 1 x DisplayPort |
| HDMI Port | 1 x HDMI |
| Keyboard/Mouse Combo Port | 1 x PS/2 |
| RJ-45 Ports | 1 x RJ-45 |
| Audio Line In Ports | 1 x 3.5mm Jack |
| Audio Line Out Ports | 4 x 3.5mm Jacks |
| Microphone In Port | 1 x 3.5mm Jack |
Internal I/O Connectors
| SATA Connectors | 6 x SATA III |
| USB Connectors | 1 x USB 3.0 Type-C header 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 Water Pump fan header 6 x System fan headers |
| 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+4-pin EPS |
| Other Connectors | 1 x M.2, Socket 3, M Key (Type 2242/2260/2280/22110) 1 x M.2, Socket 3, M Key (Type 2242/2260/2280) 1 x RGB LED header 2 x Addressable LED headers |
Memory
| Memory Bus Speed | 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400+ MHz |
| Memory Type | DDR4 |
| Maximum RAM | 128 GB |
| Memory Slot | 4 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 x16 (@ x4) 2 x PCI Express 3.0 x1 |
Graphics Device
| Integrated Graphics Supported | Yes |
Sound
| Integrated Sound | Realtek ALC892 |
Warranty
| Warranty | 3 Years |
Network
| Integrated Network | Realtek 8111H |
| Network Speeds Supported | 10/100/1000 Mbps |
| 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 |
| SLi/Crossfire Features | Supports 2-Way AMD CrossFire Technology |
Physical
| Form Factor | ATX Motherboard |
| In The Box | B550-A PRO Motherboard Case Screw Guide Quick Installation Guide MSI Case Badge 2 x SATA Cables Driver DVD Product Registration Card I/O Shield Promotion Card |
| Width | 305 mm |
| Length | 244 mm |
Key Features
| Addressable RGB | Yes |
| Internal USB Type-C Header | Yes |
| Firewire | No |
| Wireless Network | No |
| Memory Channel | Dual |
| On-board Audio Type | 7.1 |
| Number of SATA Ports | 6 port(s) |
| Number of USB Ports | 8 port(s) |
| SATA III Support | Yes |
| USB 3.0 Support | Yes |
| Multi GPU Support | ATi CrossFire |
| VGA Connection | No |
| DVI Connection | No |
| HDMI Connection | Yes |
| DisplayPort Connection | Yes |
| Motherboard Form Factor | ATX |
| Motherboard Power Connectors | 4 + 4-Pin |
| Motherboard Chipset | AMD B550 |
| Thunderbolt | No |
| Motherboard Model | MSI B550-A PRO |
| USB 3.1 Support | Yes |
| Internal USB3.0 Header | Yes |
| M.2 Support | Yes |
| On-board RGB Control | MSI Mystic Sync |
| Memory Speed | 4400 MHz |
| RGB Header Type | 3-Pin ARGB |
Item Details
| Manufacturer | MSI |
| Manufacturer Code | B550-A PRO |
| EAN | 4719072733667 |
| UPC | 824142219362 |
| Condition | New |
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