0 item(s)
YOUR CART
| Basic Information | ||
| Supported CPU | Supports AMD Ryzen 9000/ 8000/ 7000 Series Desktop Processors Socket AM5 | |
| Chipset | AMD B840 | |
| Form Factor | mATX 226mmx243.84mm | |
| Memory | ||
| Number of Memory Slots | 2x UDIMM | |
| Maximum Memory | 128GB | |
| Supported Memory | Memory Support DDR5 8000 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s Ryzen™ 9000 Series Processors max. overclocking frequency: • 1DPC 1R Max speed up to 8000+ MT/s • 1DPC 2R Max speed up to 7200+ MT/s Supports AMD POR Speed and JEDEC Speed Supports Memory Overclocking and AMD EXPOTM Supports Dual-Channel mode Supports Non-ECC, Un-buffered memory Supports CUDIMM, Clock Driver bypass mode only | |
| Graphics | ||
| Graphics | 1x HDMI Support HDMITM 2.1, maximum resolution of 4K 60Hz 1x VGA Support VGA, maximum resolution of 2048x1536 50Hz, 2048x1280 60Hz, 1920x1200 60Hz | |
| Storage | ||
| Supported Storage | 2x M.2 M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices 4x SATA 6G M2_2 slot • Supports up to PCIe 4.0 x4 • Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors) | |
| Network | ||
| LAN | Realtek 8125D 2.5G LAN | |
| Ports & Connectors | ||
| HDMI | 1x HDMI | |
| USB Ports | 2x USB 2.0 (Rear) 4x USB 2.0 (Front) 4x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 1x USB 5Gbps Type C (Front) | |
| Audio | 1x Front Audio (JAUD) | |
| RAID | Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices Supports RAID 0 and RAID 1 for M.2 NVMe storage devices | |
| TPM (Trusted Platform Module ) | 1x TPM pin header(Support TPM 2.0) | |
| Internal I/O Ports | 1x Power Connector(ATX_PWR) 1x Power Connector(CPU_PWR) 1x CPU Fan 2x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 3x Addressable V2 RGB LED connector (JARGB_V2) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) 4x USB 2.0 ports 2x USB 5Gbps Type A ports 1x USB 5Gbps Type C ports | |
| Others | ||
| Special feature | 4x EZ Debug LED 1x EZ Memory Detection LED | |
| Warranty | ||
| Warranty | 3 Years | |
The MSI PRO B840M-B AMD AM5 mATX Motherboard is a reliable and efficient platform designed for AMD Ryzen AM5 processors, making it a strong foundation for modern productivity and everyday computing systems. Built on a micro-ATX form factor, it offers a compact yet capable design suitable for both office PCs and mid-range desktop builds. Supporting the latest AMD Ryzen processors, it ensures strong performance, improved power efficiency, and future-ready compatibility. The motherboard features stable power delivery, high-quality components, and optimized thermal design to maintain consistent performance under load. With support for high-speed DDR5 memory, fast storage options, and essential connectivity features, it provides a balanced mix of speed and functionality. MSI’s PRO series design focuses on durability and professional reliability, making it ideal for business environments and long-term use. The MSI PRO B840M-B is a solid choice for users seeking a stable, modern, and cost-effective AM5 motherboard for their PC build.
Get specific details about this product from customers who own it.
