The MSI B550M-A PRO is a powerful Micro-ATX motherboard designed for use with AMD processors. It supports the AM4 socket and is equipped with the AMD B550 chipset family, ensuring high compatibility with the Ryzen 3000 and 5000 series. The motherboard accommodates up to 64 GB of DDR4 RAM and allows for flexible storage expansion through multiple interfaces, including M.2 and SATA III. The integrated HD audio feature provides a high-quality sound experience, while the Gigabit LAN connection ensures fast and reliable network connectivity. With USB 3.2 Gen 1 ports, the motherboard is also future-proof and enables fast data transfers. The MSI B550M-A PRO is an excellent choice for anyone looking for a robust and versatile motherboard for their PC building projects.
Processor family | Zen |
Memory type | DDR4-RAM |
Number of memory modules (RAM) | 2 x |
Internal connection options | S-ATA III (4x) |
Mainboard features | Front panel audio connector |
Item number | 14769872 |
Manufacturer | MSI |
Category | Motherboards |
Manufacturer no. | 7C96-006R |
Release date | 11.2.2021 |
Form factor | Micro ATX (mATX) |
Socket | AM4 |
Chipset | AMD B550 |
Mainboard features | Front panel audio connector |
Operating system compatibility | Windows 10 |
BIOS type | UEFI AMI |
Processor family | Zen |
Memory form factor | DIMM |
Number of memory modules (RAM) | 2 x |
Max. memory (RAM) | 64 GB |
Memory chip | DDR4 RAM |
Supported memory speed | 1866 MHz, 2133 MHz, 2400 MHz, 2800 MHz, 2933 MHz, 3000 MHz, 3200 MHz, 4000 MHz, 4400 MHz, 5000 MHz, 5200 MHz, 5400 MHz, 5600 MHz, 6000 MHz, 6200 MHz, 6400 MHz |
Memory type | DDR4-RAM |
RAM buffer | Unbuffered |
Video connections | DVI-D (1x) |
Network connections | RJ45 (1x) |
Ethernet controller brand | Realtek |
Ethernet controller | Realtek RTL8111H |
Chip | Realtek ALC892, Realtek ALC897 |
Audio channel | 7.1 Channel |
Audio Connections | Audio In, Audio Out (1x), Jack 3.5mm Microphone In (1x) |
Internal connection options | S-ATA III (4x) |
Expansion slot | PCI Express x1 (1x), PCI Express x16 (1x) |
Power connectors | 24-pin ATX |
Manufacturer commitment | SBTi |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 2 x Serial ATA cable |
Length | 200 mm |
Width | 236 mm |
Height | 236 mm |
Weight | 1100 g |
Length | 26 cm |
Width | 26 cm |
Height | 5.50 cm |
Weight | 754 g |
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