MSI PRO B840M-B DDR5
The MSI PRO B840M-B DDR5 is a Micro ATX motherboard for AMD Ryzen 7000/8000/9000 CPUs with AM5 socket. It supports up to 128GB DDR5 RAM, has one PCIe 4.0 x16 slot, two M.2 slots, four SATA ports, 2.5 GbE LAN (no Wi-Fi), HDMI and VGA outputs, and a reliable 7+2+1 power design—great for compact, powerful builds without wireless.
₨. 20,499
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Specifications
Specifications
| CPU Support | AMD Ryzen 7000, 8000, and 9000 series processors, AM5 socket. |
| Chipset | AMD B840. |
| Memory | 2 DDR5 DIMM slots supporting up to 128GB RAM; memory speeds from DDR5-4800 MHz up to 8000+ MHz (overclocked). It supports dual-channel mode, AMD EXPO profiles, and non-ECC unbuffered memory. |
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| Networking | Realtek RTL8125D 2.5 GbE LAN, no onboard Wi-Fi. |
| USB Ports | |
| Rear | 4 x USB 3.2 Gen 1 (5 Gbps) Type-A, 1 x USB 3.2 Gen 1 Type-C, 2 x USB 2.0, - Internal headers for USB 3.2 Gen 1 and USB 2.0. |
| Audio | Realtek ALC897 7.1-channel high-definition audio with Audio Boost. |
| Display Outputs | HDMI 2.1 supporting up to 4K at 60Hz and VGA (D-Sub 15 pin) for integrated graphics output via compatible Ryzen CPUs. |
| Power Delivery | 7+2+1 power phase design with direct digital power and dual 8-pin CPU power connectors for stable supply. |
| Form Factor | Micro ATX (226 mm x 244 mm). |
| Cooling & Features | Standard passive cooling on VRMs, support for MSI's AI features via MSI Center and BIOS, debug LEDs, multiple RGB LED connectors (addressable and standard RGB), easy BIOS flash update. |
| Other | Support for Windows 10 and 11 64-bit OS, chassis intrusion header, serial RS-232 port. |
