MSI B550-A PRO (CEC) AMD Chipset B550 Socket AM4 DDR4 HDMI DisplayPort SATA 6Gb/s ATX Desktop Motherboard 601-7C56-140B.
Chipset: AMD B550
Socket: AMD AM4
Compatible/Supported CPU: Supports AMD Ryzen 5000 & 3000 Series
Max Supported Memory: 128GB
Number of Memory Slots: 4
Memory Type: DDR4 SDRAM
Speed: 2667MHz / 2800MHz / 2933MHz / 3000MHz / 3066MHz / 3200MHz / 3466MHz / 3600MHz / 3733MHz / 3866MHz / 4000MHz / 4133MHz / 4266MHz / 4400MHz / 4600+MHz OC
Storage Interface: SATA 6Gb/s
RAID Support: 0, 1, 10
Network/Communications: Realtek 8111H Gigabit LAN controller
Audio: Realtek ALC892/ALC897 Codec
Connectors: 1x 24-pin ATX main power connector, 1x 8-pin ATX 12V power connector, 1x USB 3.2 Gen 1 5Gbps Type-C port, 1x USB 3.2 Gen 1 5Gbps connector, 2x USB 2.0 connectors, 1x 4-pin CPU fan connector, 1x 4-pin water-pump fan connector, 6x 4-pin system fan connectors, 1x Front panel audio connector, 2x System panel connectors, 1x Chassis Intrusion connector, 1x 4-pin RGB LED connector, 2x 3-pin RAINBOW LED connectors, 1x TPM module connector, 1x Clear CMOS jumper
Input/Output Ports: 1x Keyboard / Mouse, 1x DisplayPort, 1x LAN port, 1x USB 3.2 Gen2, 6x Audio connector, 4x USB 2.0, 1x HDMI, 1x USB 3.2 Gen1, 1x USB-C 3.2 Gen2
Expansion Slots: 3x PCIe 3.0 x16, 1x PCIe 4.0/ 3.0 x16, 8x SATA 6Gb/s, 2x M.2 slots (Key M)
Form Factor: ATX
Type: Desktop Motherboard
Supported Operating System: Windows 10 64-bit
Additional Specifications:
CPU Support
Supports 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
Special Features
-Lightning Gen4 Solution The latest Gen4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed.
-PCI-E Steel Armor Protecting VGA cards against bending and EMI
-Front Type-C USB 3.2 Gen 1 5Gbps Compatible with the latest PC chassis and perfect for external drives and other mobile devices.
-M.2 Shield FROZR Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.
-DDR4 Boost Advanced technology to deliver pure data signals for the best gaming performance and stability.
-Core Boost With premium layout and fully digital power design to support more cores and provide better performance.
-EZ Debug LED Easiest way to troubleshoot.
-Extended Heatsink Design MSI extended PWM heatsink and enhanced circuit design ensures even high-end processors to run in full speed
CPU Support:
| Socket AM4 |
|---|
| Vendor | Processor | CPU Model | Frequency | Wattage | L3 Cache | Stepping |
| AMD | Ryzen 9 | PRO 3900 | 3.1GHz | 65 | 64MB | B0 |
| AMD | Ryzen 9 | 5950X | 3.4GHz | 105 | 64MB | B2 |
| AMD | Ryzen 9 | 5950X | 3.4GHz | 105 | 64MB | B0 |
| AMD | Ryzen 9 | 5900XT | 3.3GHz | 105 | 64MB | B2 |
| AMD | Ryzen 9 | 5900X | 3.7GHz | 105 | 64MB | B2 |
| AMD | Ryzen 9 | 5900X | 3.7GHz | 105 | 64MB | B0 |
| AMD | Ryzen 9 | 5900 | 3.0GHz | 65 | 64MB | B2 |
| AMD | Ryzen 9 | 3950X | 3.5GHz | 105 | 64MB | B0 |
| AMD | Ryzen 9 | 3900XT | 3.8GHz | 105 | 64MB | B0 |
| AMD | Ryzen 9 | 3900X | 3.8GHz | 105 | 64MB | B0 |
| AMD | Ryzen 9 | 3900 | 3.1GHz | 65 | 64MB | B0 |
| AMD | Ryzen 7 | PRO 5750GE | 3.2GHz | 35 | 16MB | A0 |
| AMD | Ryzen 7 | PRO 5750G | 3.8GHz | 65 | 16MB | A0 |
| AMD | Ryzen 7 | PRO 4750GE | 3.1GHz | 35 | 8MB | A1 |
| AMD | Ryzen 7 | PRO 4750G | 3.6GHz | 65 | 8MB | A1 |
| AMD | Ryzen 7 | PRO 3700 | 3.6GHz | 65 | 32MB | B0 |
| AMD | Ryzen 7 | 5800XT | 3.8GHz | 105 | 32MB | B2 |
| AMD | Ryzen 7 | 5800X3D | 3.4GHz | 105 | 96MB | B2 |
| AMD | Ryzen 7 | 5800X | 3.8GHz | 105 | 32MB | B0 |
| AMD | Ryzen 7 | 5800X | 3.8GHz | 105 | 32MB | B2 |
| AMD | Ryzen 7 | 5800 | 3.4GHz | 65 | 32MB | B2 |
| AMD | Ryzen 7 | 5700X3D | 3.0GHz | 105 | 96MB | B2 |
| AMD | Ryzen 7 | 5700X | 3.4GHz | 65 | 32MB | B2 |
| AMD | Ryzen 7 | 5700GE | 3.2GHz | 35 | 16MB | A0 |
| AMD | Ryzen 7 | 5700G | 3.8GHz | 65 | 16MB | A0 |
| AMD | Ryzen 7 | 5700 | 3.7GHz | 65 | 16MB | A0 |
| AMD | Ryzen 7 | 4700GE | 3.1GHz | 35 | 8MB | A1 |
| AMD | Ryzen 7 | 4700G | 3.6GHz | 65 | 8MB | A1 |
| AMD | Ryzen 7 | 3800XT | 3.9GHz | 105 | 32MB | B0 |
| AMD | Ryzen 7 | 3800X | 3.9GHz | 105 | 32MB | B0 |
| AMD | Ryzen 7 | 3700X | 3.6GHz | 65 | 32MB | B0 |
| AMD | Ryzen 5 | PRO 5655GE | 3.4GHz | 35 | 16MB | A0 |
| AMD | Ryzen 5 | PRO 5655G | 3.9GHz | 65 | 16MB | A0 |
| AMD | Ryzen 5 | PRO 5650GE | 3.4GHz | 35 | 16MB | A0 |
| AMD | Ryzen 5 | PRO 5650G | 3.9GHz | 65 | 16MB | A0 |
| AMD | Ryzen 5 | PRO 4655GE | 3.3GHz | 35 | 8MB | A1 |
| AMD | Ryzen 5 | PRO 4655G | 3.7GHz | 65 | 8MB | A1 |
| AMD | Ryzen 5 | PRO 4650GE | 3.3GHz | 35 | 8MB | A1 |
| AMD | Ryzen 5 | PRO 4650G | 3.7GHz | 65 | 8MB | A1 |
| AMD | Ryzen 5 | PRO 3600 | 3.6GHz | 65 | 32MB | B0 |
| AMD | Ryzen 5 | 5600XT | 3.7GHz | 65 | 32MB | B2 |
| AMD | Ryzen 5 | 5600X3D | 3.3GHz | 105 | 96MB | B2 |
| AMD | Ryzen 5 | 5600X | 3.7GHz | 65 | 32MB | B2 |
| AMD | Ryzen 5 | 5600X | 3.7GHz | 65 | 32MB | B0 |
| AMD | Ryzen 5 | 5600T | 3.5GHz | 65 | 32MB | B2 |
| AMD | Ryzen 5 | 5600GT | 3.6GHz | 65 | 16MB | A0 |
| AMD | Ryzen 5 | 5600GE | 3.4GHz | 35 | 16MB | A0 |
| AMD | Ryzen 5 | 5600G | 3.9GHz | 65 | 16MB | A0 |
| AMD | Ryzen 5 | 5600 | 3.5GHz | 65 | 32MB | B0 |
| AMD | Ryzen 5 | 5500GT | 3.6GHz | 65 | 16MB | A0 |
| AMD | Ryzen 5 | 5500 | 3.6GHz | 65 | 16MB | A0 |
| AMD | Ryzen 5 | 4600GE | 3.3GHz | 35 | 8MB | A1 |
| AMD | Ryzen 5 | 4600G | 3.7GHz | 65 | 8MB | A1 |
| AMD | Ryzen 5 | 4500 | 3.6GHz | 65 | 8MB | A1 |
| AMD | Ryzen 5 | 3600XT | 3.8GHz | 95 | 32MB | B0 |
| AMD | Ryzen 5 | 3600X | 3.8GHz | 95 | 32MB | B0 |
| AMD | Ryzen 5 | 3600 | 3.6GHz | 65 | 32MB | B0 |
| AMD | Ryzen 5 | 3500X | 3.6GHz | 65 | 32MB | B0 |
| AMD | Ryzen 5 | 3500 | 3.6GHz | 65 | 16MB | B0 |
| AMD | Ryzen 3 | PRO 5350GE | 3.6GHz | 35 | 8MB | A0 |
| AMD | Ryzen 3 | PRO 5350G | 4.0GHz | 65 | 8MB | A0 |
| AMD | Ryzen 3 | PRO 4355GE | 3.5GHz | 35 | 8MB | A1 |
| AMD | Ryzen 3 | PRO 4355G | 3.8GHz | 65 | 4MB | A1 |
| AMD | Ryzen 3 | PRO 4350GE | 3.5GHz | 35 | 4MB | A1 |
| AMD | Ryzen 3 | PRO 4350G | 3.8GHz | 65 | 4MB | A1 |
| AMD | Ryzen 3 | 5300GE | 3.6GHz | 35 | 8MB | A0 |
| AMD | Ryzen 3 | 5300G | 4.0GHz | 65 | 8MB | A0 |
| AMD | Ryzen 3 | 5100 | 3.8GHz | 65 | 8MB | A0 |
| AMD | Ryzen 3 | 4300GE | 3.5GHz | 35 | 4MB | A1 |
| AMD | Ryzen 3 | 4300G | 3.8GHz | 65 | 8MB | A1 |
| AMD | Ryzen 3 | 4100 | 3.8GHz | 65 | 4MB | A1 |
| AMD | Ryzen 3 | 3300X | 3.8GHz | 65 | 16MB | B0 |
| AMD | Ryzen 3 | 3100 | 3.6GHz | 65 | 16MB | B0 |