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 SupportAMD Ryzen 7000, 8000, and 9000 series processors, AM5 socket.
ChipsetAMD B840.
Memory2 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.
Expansion Slots
  • - 1 PCIe 4.0 x16 slot for GPU,
  • - 1 PCIe 3.0 x1 slot.
Storage
  • - 2 M.2 PCIe Gen4 x4 slots (one supports devices up to 22110 size; one slot may operate at PCIe x2 with certain lower-end Ryzen CPUs),
  • - 4 SATA 6Gbps ports,
  • - RAID support for SATA and M.2 (RAID 0, 1, 10).
NetworkingRealtek RTL8125D 2.5 GbE LAN, no onboard Wi-Fi.
USB Ports
Rear4 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.
AudioRealtek ALC897 7.1-channel high-definition audio with Audio Boost.
Display OutputsHDMI 2.1 supporting up to 4K at 60Hz and VGA (D-Sub 15 pin) for integrated graphics output via compatible Ryzen CPUs.
Power Delivery7+2+1 power phase design with direct digital power and dual 8-pin CPU power connectors for stable supply.
Form FactorMicro ATX (226 mm x 244 mm).
Cooling & FeaturesStandard 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.
OtherSupport for Windows 10 and 11 64-bit OS, chassis intrusion header, serial RS-232 port.
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SKU: MSI-B4B86909
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