MSI PRO B840M-B AM5 Micro-ATX Motherboard - DDR5 128GB PCIe 4.0 2.5Gb LAN

SKU:
Brand: MSI
Barcode:
136.50 €

AM5 micro-ATX motherboard for Ryzen 9000/8000/7000 CPUs. Supports DDR5 up to 128GB (2 slots, 8000+MT/s OC, EXPO), PCIe 4.0 x16, 2x M.2 Gen4, 4x SATA, 2.5Gb LAN, USB-C, Realtek audio, 7+2+1 VRM.

Available in 6–10 business days : 17 pieces

For any questions about this item, availability, or delivery times, please contact us at 22 270068

The MSI PRO B840M-B is a business-oriented micro-ATX motherboard built on the AMD B840 chipset, designed for AMD Ryzen 9000, 8000, and 7000 Series processors with Socket AM5. It features a robust 7+2+1 phase digital power design with an 8-pin CPU connector, Core Boost technology, and 6-layer PCB with 2oz thickened copper for reliable performance under heavy loads.

Memory support includes 2x DDR5 DIMM slots with dual-channel operation up to 128GB capacity and overclocking potential to 8000+ MT/s (1DPC 1R). It supports AMD EXPO profiles, Memory Boost, and High-Efficiency Mode for optimized bandwidth and low latency. Storage options comprise 2x M.2 slots (PCIe 4.0 x4, up to 2280), 4x SATA 6Gb/s ports with RAID 0/1/10 support, plus PCIe 4.0 x16 slot for graphics and expansion.

Connectivity includes 2.5G Realtek RTL8125D LAN, Realtek ALC897 7.1-channel HD audio, rear USB 5Gbps Type-A/C, HDMI 2.1, DisplayPort, and multiple front-panel headers. EZ Debug LEDs, Flash BIOS button, and Frozr design enhance DIY assembly and stability. Ideal for productivity builds and AI-PCs.

  • CPU: AMD Ryzen 9000/8000/7000 Series (AM5)
  • Memory: 2x DDR5, 128GB max, 8000+ MT/s OC
  • Storage: 2x M.2 PCIe 4.0, 4x SATA, RAID 0/1/10
  • Network: 2.5Gb LAN
  • Form Factor: micro-ATX (226 x 243.84mm)