This micro ATX-sized motherboard allows you to build a powerful and modern computer that supports the latest AMD Ryzen 7000, 8000, and 9000 series processors. Whether you are a gamer, content creator, or simply a technology enthusiast, this motherboard offers excellent features and connectivity.

Powerful memory and storage

The B850M Pro-A supports DDR5 SDRAM memory, and its four DIMM memory slots enable up to 256 GB of internal memory usage. Dual-channel memory operation ensures fast data transfer, and ECC compatibility enhances reliability. Storage options are plentiful, as the motherboard supports PCI Express 4.0 and 5.0 interfaces as well as SATA III, allowing the use of multiple HDD and SSD drives.

Connections and interfaces

The Ethernet LAN port with 2.5 Gigabit speed also guarantees wired connections at top speeds. The motherboard has plenty of USB ports, including USB 3.2 Gen 2, so you can easily connect all the necessary devices.

This motherboard is the perfect choice if you want to build a powerful and versatile computer.

Technical specifications

• Compatibility with AMD Ryzen 7000, 8000, and 9000 series processors
• Supports DDR5 SDRAM memory and up to 256 GB of internal memory
• 4 DIMM memory slots for dual-channel memory operation
• Support for PCI Express 4.0 and 5.0 interfaces as well as SATA III
• Plenty of USB ports, including USB 3.2 Gen 2
• 7.1 channel audio output
• Compatible with Windows 10 and 11 operating systems
• Motherboard form factor: micro ATX
• Processor manufacturer: AMD
• Processor socket: Socket AM5
• Memory channels: Dual-channel
• ECC compatibility: ECC and Non-ECC
• RAID support: Yes (levels 0, 1, 10)
• HDMI port: 1 (version 2.1)
• DisplayPort: 1 (version 1.4)
• Ethernet LAN: 2.5 Gigabit Ethernet
• BIOS type: UEFI AMI
• Number of M.2 slots: 3 (maximum size 2280)
• USB 2.0 ports: 4
• USB 3.2 Gen 1 ports: 3
• USB 3.2 Gen 2 ports: 2 (Type A), 1 (Type C)