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MSI B840M-B Motherboards for Ryzen 9000 Series, Supports DDR5 & Fast LAN

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Brand: MSI

The MSI PRO B840M-B is a mid-sized (mATX) motherboard designed for the latest AMD Ryzen 9000, 8000, and 7000 series processors, compatible with the AM5 socket. It is built to deliver high-performance computing and stability for both professional and enthusiast users. The motherboard features a Direct 7 Phase (P-PAK) VRM with MSI Core Boost technology, ensuring efficient power delivery and improved system stability under heavy workloads. This makes it ideal for users who demand consistent performance from their Ryzen processors.

The board supports DDR5 memory with the ability to achieve extreme overclocking speeds of up to 8000+ MT/s, making it a top choice for those looking to push their memory performance to the limit. It includes two DDR5 DIMM slots, allowing for dual-channel configurations and maximum flexibility in memory setup. Additionally, the motherboard is equipped with a single PCIe 4.0 x16 slot, which provides a bandwidth of up to 64GB/s and supports the latest high-end graphics cards with Steel Armor reinforcement for durability.

Storage options are also robust, featuring two M.2 Gen4 x4 slots that offer data transfer speeds of up to 64Gbps. This ensures fast boot times and quick data access for users who rely on high-speed storage solutions. Connectivity is enhanced with a Realtek 2.5G LAN port, providing faster network speeds compared to traditional Gigabit LAN. The rear panel includes USB 5Gbps Type-A ports and 7.1 HD Audio with Audio Boost technology for an immersive audio experience.

The MSI PRO B840M-B also incorporates advanced cooling solutions, including passive cooling via a chipset heatsink and Frozr AI cooling that automatically adjusts fan speeds based on CPU and GPU temperatures. This ensures optimal thermal management without unnecessary noise. The motherboard's durable PCB features thickened copper layers (2oz) for improved signal integrity and reduced interference, contributing to overall system reliability.



Brand: MSI
Model: PRO B840M-B
Specifications: Supports AMD Ryzen 9000/8000/7000 (AM5), DDR5 memory (up to 8000+ MT/s OC), PCIe 4.0 x16 slot, 2 x M.2 Gen4 x4 slots, 2.5G LAN
Features: Direct 7 Phase (P-PAK) VRM with Core Boost, Frozr AI cooling, Steel Armor PCIe slot, Audio Boost technology, 2oz thickened copper PCB
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