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Black ATX motherboard with silver heatsinks, four DDR5 slots and rear I/O shield

MSI

MSI B850 GAMING PRO WIFI6E AMD motherboard

SKU CH-H9BS-QDCHD MPN B850 GAMING PRO WIFI6E

ATX motherboard with AMD B850 chipset supports Ryzen 7000, 8000 and 9000 series CPUs, DDR5 up to 8200 MT/s, PCIe 5.0 M.2, 2.5G LAN and Wi-Fi 6E

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardUp to 8200+ MT/s (OC)
  • Channel SupportedDual Channel
  • Supports Ryzen 7000, 8000 and 9000 series processors on AM5 socket
  • DDR5 memory overclocked to 8200 MT/s across four 288-pin slots
  • PCIe 5.0 M.2 slot delivers 128 Gbps bandwidth for fast storage
  • 5 Gbps LAN plus Wi-Fi 6E and Bluetooth 5.3 for high-speed networking
  • 1 channel audio with multiple USB 3.2 Gen 2 and Gen 1 ports on rear I/O

Socket AM5 Platform

The MSI B850 GAMING PRO WIFI6E is an ATX motherboard built on the AMD B850 chipset for Ryzen 7000, 8000 and 9000 series processors. It targets builders who want a full-size board with current connectivity for gaming or workstation tasks.

Connectivity Bundle

The rear panel includes Wi-Fi 6E, Bluetooth 5.3 and 2.5Gbps LAN alongside HDMI, DisplayPort, one USB 3.2 Gen 2 Type-C, three USB 3.2 Gen 2 Type-A and four USB 3.2 Gen 1 Type-A ports. Audio uses 7.1 channels. Storage options cover one M.2 Gen5 x4 slot at 128Gbps, one M.2 Gen4 x4 slot at 64Gbps and four SATA 6Gb/s connectors.

Build Check

Verify that your chassis accepts ATX dimensions and that the power supply provides the required 8-pin and 24-pin CPU connectors. Ensure your DDR5 kit matches the 288-pin, four-slot dual-channel layout and that any PCIe add-in cards fit the single x16 4.0, one x4 4.0 and two x1 3.0 slots.

Highlights

  • Supports Ryzen 7000, 8000 and 9000 series processors on AM5 socket
  • DDR5 memory overclocked to 8200 MT/s across four 288-pin slots
  • PCIe 5.0 M.2 slot delivers 128 Gbps bandwidth for fast storage
  • 5 Gbps LAN plus Wi-Fi 6E and Bluetooth 5.3 for high-speed networking
  • 1 channel audio with multiple USB 3.2 Gen 2 and Gen 1 ports on rear I/O

Specifications

BrandMSI
ModelB850 GAMING PRO WIFI6E
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Memory StandardUp to 8200+ MT/s (OC)
Channel SupportedDual Channel
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express x41 x PCIe 4.0 x4 slot
PCI Express x12 x PCIe 3.0 x1 slots
Serial ATA (SATA)4 x SATA 6Gb/s
M.21 x M.2 Gen5 x4 128Gbps slot
1 x M.2 Gen4 x4 64Gbps slot
Audio Channels7.1 Channels
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 ax
BluetoothBluetooth 5.3
Back I/O Ports1 x Clear CMOS Button / 1 x DisplayPort / 1 x Flash BIOS Button / 1 x HDMI / 1 x LAN (RJ45) / 1 x USB 3.2 Gen 2 Type-C / 2 x Antenna Bracket / 3 x Audio Jacks / 3 x USB 3.2 Gen 2 Type-A / 4 x USB 3.2 Gen 1 Type-A
Form FactorATX
BIOS Feature64MB BIOS
Shipping weight1.70 kg
Package size350 × 300 × 50 mm

Questions about this item

Will the 64 MB BIOS chip need replacing or re-flashing later?

The 64 MB BIOS stores firmware updates; you can re-flash it via the rear Flash BIOS button without removing the chip, so replacement is not required.

What speed ceiling appears first on the single PCIe 5.0 x4 M.2 slot under sustained load?

The slot runs at PCIe 5.0 x4 (128 Gbps); thermal throttling of the drive itself is the first limit you will hit during long heavy writes.

How hot or loud does the board get when the 2.5 Gbps LAN and Wi-Fi 6E run all day?

The chipset and VRM areas stay warm but silent — no active fans are fitted — so heat is passive and noise stays at zero.

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