| Hãng sản xuất | MSI | 
| Loại sản phẩm | Bo mạch chủ | 
| Mã sản phẩm | B550-A PRO | 
| Socket hỗ trợ | 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 | 
| Chipset |   | 
| Hỗ trợ RAM | 
4x DDR4 memory slots, support up to 128GB 1
Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDECSupports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400+ MHz by A-XMP OC MODE
1DPC 1R Max speed 4800 MHz1DPC 2R max speed 3866 MHZ2DPC 1R max speed 4000 MHZ2DPC 2R max speed 3600 MHZDual channel memory architectureSupports non-ECC UDIMM memorySupports ECC UDIMM memory (non-ECC mode)Supports un-buffered memory | 
| Cổng xuất hình | 
1x HDMI™ 2.1 port, supports a maximum resolution of 4096x2160 @60Hz 1 2Support HDCP 1.4 & 2.3
1x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz 1Maximum shared memory of 16 GB 
Available for the processor with integrated graphics.Graphics specifications may vary depending on the CPU installed. | 
| Khe cắm mở rộng | 
1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) 11x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed 22x PCIe 3.0 x1 slots 
The supported specification depends on installed processor.When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable. | 
| Multi-GPU | 
Supports 2-Way AMD CrossFire™ Technology | 
| Hỗ trợ ổ cứng | AMD B550 Chipset
6x SATA 6Gb/s ports2x M.2 slots (Key M)
M2_1 slot (from AMD Processor)
Supports PCIe 4.0/ 3.0 x4 1Supports SATA 6Gb/sSupports 2242/ 2260/ 2280/ 22110 storage devicesM2_2 slot (from AMD B550 chipset)
Supports PCIe 3.0x4Supports 2242/ 2260/ 2280 storage devices 
The supported specification depends on installed processor. | 
| RAID | 
Supports RAID 0, RAID 1 and RAID 10 for SATA storage devicesSupports RAID 0 and RAID 1 for M.2 NVMe storage devices | 
| USB | AMD B550 Chipset
3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector)8x USB 2.0 ports (4 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors) AMD Processor
2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel | 
| LAN | Realtek® RTL8125BG 2.5G LAN | 
| Audio | Realtek® ALC892/ALC897 Codec
7.1-Channel High Definition Audio | 
| Cổng kết nối bên trong | 
1x 24-pin ATX main power connector1x 8-pin ATX 12V power connector6x SATA 6Gb/s connectors2x M.2 slots (M-Key)1x USB 3.2 Gen 1 5Gbps Type-C port1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)1x 4-pin CPU fan connector1x 4-pin water-pump fan connector6x 4-pin system fan connectors1x Front panel audio connector2x System panel connectors1x Chassis Intrusion connector1x 4-pin RGB LED connector2x 3-pin RAINBOW LED connectors1xTPM module connector1x Clear CMOS jumper | 
| Cổng kết nối phía sau | 
Keyboard / MouseDisplayPortLANHD Audio ConnectorsFlash BIOS ButtonUSB 2.0HDMI™USB 2.0USB 3.2 Gen 1 5Gbps Type-AUSB 3.2 Gen 2 10Gbps Type-A+C | 
| Kích thước | 
ATX Form Factor12 in. x 9.6 in. (30.5 cm x 24.4 cm) | 
 
Hỏi đáp về Mainboard MSI B550-A PRO (AM4, 4x DDR4, HDMI, Displayport, M.2 PCIe 4.0, ATX)