MSI B840M Gaming Plus WIFI6E M-ATX Motherboard

The MSI B840M GAMING PLUS WIFI6E Micro-ATX Motherboard is designed for AMD Ryzen 9000, 8000 and 7000 Series processors on the AM5 platform. It combines DDR5 memory up to 8000+ MT/s, PCIe 4.0 graphics, dual PCIe 4.0 M.2 storage, Wi-Fi 6E and 2.5GbE LAN in a compact design. With a 7+2+1 phase power system, advanced cooling and EZ DIY features, it is ideal for compact gaming and high-performance PC builds.

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SKU: B840M-GAMING-PLUS-WIFI6E Categories: , , , Tag: Brand:

MSI B840M Gaming Plus WIFI6E M-ATX Motherboard

Features

  • AMD B840 Chipset: Supports AMD Ryzen™ 9000, 8000 and 7000 Series desktop processors with the AM5 socket.
  • Micro-ATX Form Factor: Compact 243.84 × 243.84mm design is ideal for space-efficient gaming and performance PC builds.
  • 7+2+1 Phase Direct Power: Includes an 8-pin CPU power connector, Core Boost and Memory Boost for stable processor and memory performance.
  • High-Speed DDR5 Memory: Supports up to 256GB DDR5 with speeds up to 8000+ MT/s (OC) and AMD EXPO support.
  • PCIe 4.0 Graphics Support: The primary PCIe 4.0 x16 slot provides high-speed connectivity for modern graphics cards.
  • Dual PCIe 4.0 M.2 Storage: Two M.2 slots support PCIe 4.0 x4 NVMe SSDs for fast boot times and application loading.
  • Wi-Fi 6E Connectivity: Supports 2.4GHz, 5GHz and 6GHz wireless bands with speeds up to 2.4Gbps.
  • 2.5G LAN: Realtek 8125D 2.5Gb Ethernet provides fast and stable wired networking for gaming and data transfers.
  • Frozr Guard & EZ DIY: Extended heatsinks, 7W/mK thermal pads, M.2 Shield Frozr II and EZ installation features improve cooling and simplify PC building.

Specifications

Brand MSI
Model B840M GAMING PLUS WIFI6E
Form Factor Micro-ATX
Dimensions 243.84 × 243.84 mm
Chipset AMD B840
CPU Socket AM5
CPU Support AMD Ryzen™ 9000 / 8000 / 7000 Series
Memory Type DDR5 UDIMM
Memory Slots 4 × DDR5 DIMM
Maximum Memory 256GB
Memory Speed DDR5-8000+ MT/s (OC)
Memory Support AMD EXPO, Dual Channel, Non-ECC Unbuffered, CUDIMM
Primary PCIe Slot PCIe 4.0 x16
Secondary PCIe Slot PCIe 3.0 x4
M.2 Slots 2 × M.2
M.2 Interface PCIe 4.0 x4
M.2 Support 2260 / 2280
SATA Ports 4 × SATA 6Gb/s
LAN Realtek 8125D 2.5GbE
Wireless Wi-Fi 6E
Wi-Fi Bands 2.4GHz / 5GHz / 6GHz
Wi-Fi Speed Up to 2.4Gbps
Bluetooth Bluetooth 5.3
Audio Codec Realtek ALC897
Audio 7.1-Channel High Definition Audio
HDMI HDMI 2.1, up to 4K 60Hz
Rear USB USB 2.0, USB 5Gbps Type-A, USB 10Gbps Type-A & Type-C
Front USB USB 2.0, USB 5Gbps Type-A & Type-C
Power Design 7+2+1 Phase Direct CPU Power
PCB 6-Layer PCB, 2oz Thickened Copper
Cooling Extended Heatsink, 7W/mK MOSFET Thermal Pads, M.2 Shield Frozr II
BIOS Features Flash BIOS Button, Clear CMOS, EZ Debug LED
Operating System Windows 11 64-bit