MSI PRO B840M-B mATX Motherboard | AMD B840 | AM5 | DDR5 | PCIe 4.0 | M.2 | HDMI | USB 3.2

The MSI PRO B840M-B is a compact micro-ATX motherboard built on the AMD B840 chipset, delivering stable performance for Ryzen 7000/8000/9000 series processors. It features DDR5 memory support up to 96GB, PCIe 4.0 connectivity, and comprehensive I/O including M.2 storage, multiple USB 3.2 ports, and Gigabit Ethernet. This board is ideal for builders seeking a reliable, feature-rich platform in a space-efficient form factor for productivity, gaming, and content creation builds.

Key Features

• AM5 socket supports Ryzen 7000/8000/9000 series CPUs
• 2× DDR5 DIMM slots, up to 96GB capacity
• PCIe 4.0 x16 slot for modern graphics cards
• 1× M.2 PCIe 4.0 + 4× SATA storage ports
• Multiple USB 3.2 Gen1/Gen2 ports and Gigabit Ethernet
• Compact micro-ATX form factor with efficient cooling

Specifications