MSI B550-A Pro
B550-A PRO
- Support for AMD Ryzen™ 3rd generation processors and future AMD Ryzen processors™ with BIOS update
- DDR4 memory support up to 4400 MHz (OC)
- Extremely fast experience with PCIe 4.0 slots, M.2 Lightning Gen 4 x4 with M.2 Shield Frozr and AMD Turbo USB 3.2 Gen 2
- Perfect cooling with a wider sink and M.2 Shield Frozr
- Efficient and powerful power with Core Boost, DDR4 Boost and Creator Genie technologies, a digital PWM controller and a 2-ounce copper circuit board
- Audio Boost for high-quality sound
- AMD Crossfire multi-GPU configuration support™ 2-Way on PCI-E Steel Armor slots
- Dragon Center to find MSI settings tools in one place
| Processor | Support for AMD Ryzen™ 3rd generation processors and AMD Ryzen processors™ 4000 G-series |
| Socket | AMD AM4 |
| Chipset | AMD® B550 |
| Memory DDR4 | 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400 - Mhz in JEDEC and A-XMP OC modes |
| Memory Architecture | Dual |
| Slots DIMM | 4 |
| Max Memory (GB) | 128 |
| PCI-Ex16 | 2 |
| PCI-E Gen | 4.0/3.0 |
| PCI-Ex1 | 2 |
| Directx | 12 |
| Multi-GPU | Yes |
| Lan |
1x Realtek® RTL8111H Gigabit LAN |
| Port M.2 | 2 |
| USB 3.2 (front) | 1 x Gen1 Type C 2 x Gen1 Type A) |
| USB 3.2 (back) | 1 x Gen2 Type C 1 x Gen2 Type A 2 x Gen1 Type A) |
| SATA 3 | 6 |
| Raid | 0/1/10 |
| USB 2.0 (front) | 4 |
| USB 2.0 (back) | 4 |
| Port (s) audio (back) | 6 HD audio jacks |
| Hdmi | 1 |
| Display Port | 1 |
| Format | ATX 30.5 cm x 24.4 cm |
| Supported operating system | Windows® 10 64-bit |
