The MSI PRO B850M-G Motherboards offer a core foundation for your computer system. Designed to integrate essential components, these motherboards are a fundamental part of any PC build or upgrade. Learn more about the MSI PRO B850M-G below.

Key Features at a Glance

  • Designed for core computing setups.
  • Integrates essential PC components.
  • Provides a platform for system building.
  • Part of the MSI PRO series.

Stable System Operation

These motherboards are built to provide a steady and dependable base for your computer's components, supporting consistent functionality for everyday tasks.

Foundational for Custom Builds

The MSI PRO B850M-G serves as a critical component when assembling a new PC or upgrading an existing one, offering the necessary connections for a functional system.

Technical Specifications



Chipset AMD B850
CPU Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5
Memory 2x DDR5 UDIMM, Maximum Memory Capacity 128GB
Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Ryzen™ 9000 Series Processors max. overclocking frequency:
• 1DPC 1R Max speed up to 8200+ MT/s
• 1DPC 2R Max speed up to 8000+ MT/s

Supports AMD POR Speed and JEDEC Speed
Supports Memory Overclocking and AMD EXPOTM
Supports Dual-Channel mode
Supports Non-ECC, Un-buffered memory
Supports CUDIMM, Clock Driver bypass mode only*

• The DIMM slots on this motherboard have single-sided latches.
• Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.
 * CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility.
Onboard Graphics 1x HDMI™
Support HDMITM 2.1, maximum resolution of 4K 60Hz*
1x DisplayPort
Support DisplayPort 1.4, maximum resolution of 4K 60Hz*
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Slot 2x PCI-E x16 slot (Qty)
PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 4.0 supports up to x4 (From Chipset)

PCI_E1 slot
• Supports PCIe 5.0 x16 (For Ryzen™ 9000/ 7000 Series processors)
• Supports PCIe 4.0 x8 (For Ryzen™ 8700/ 8600/ 8400 Series processors)
• Supports PCIe 4.0 x4 (For Ryzen™ 8500/ 8300 Series processor)
Audio Realtek® ALC897
7.1-Channel High Definition Audio
Storage 2x M.2 (Qty)
M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
4x SATA 6G (Qty)

M2_1 slot
• Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors)
• Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors)

M2_2 slot
• Supports up to PCIe 4.0 x4
• Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors)
RAID Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
USB 2x USB 2.0 (Rear)
4x USB 2.0 (Front)
3x USB 5Gbps Type A (Rear)
1x USB 5Gbps Type C (Rear)
2x USB 5Gbps Type A (Front)
1x USB 10Gbps Type C (Front)
LAN Realtek® 8126VB 5G LAN
Internal IO 1x Power Connector(ATX_PWR)
1x Power Connector(CPU_PWR)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
2x System Fan
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Com Port (JCOM)
3x Addressable V2 RGB LED connector (JARGB_V2)
1x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
2x USB 5Gbps Type A ports
1x USB 10Gbps Type C ports
LED FEATURE 4x EZ Debug LED
1x EZ Memory Detection LED
BACK PANEL PORTS
  1. DisplayPort
  2. HDMI™
  3. USB 5Gbps Type-A
  4. Clear CMOS Button
  5. USB 2.0
  6. 5G LAN
  7. Audio connectors
  8. USB 5Gbps Type-C
  9. Flash BIOS Button
  10. USB 5Gbps Type-A

OPERATING SYSTEM Support for Windows® 11 64-bit

Frequently Asked Questions

Q: What type of product is the MSI PRO B850M-G?

A: The MSI PRO B850M-G is a series of motherboards designed by MSI for computer systems.

Q: Where can I find detailed specifications for these motherboards?

A: All available technical specifications are detailed in the section above, titled "Technical Specifications."

Q: Is this motherboard suitable for a new PC build?

A: Motherboards like the MSI PRO B850M-G provide a core component for assembling a new computer system.

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