Product Specifications

Chipset

• AMD B850

CPU

• Socket: AM5
• Supported Processors: AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors

Memory

• Slots: 4x DDR5 UDIMM
• Maximum Capacity: 256GB
• Supported Speeds:
  • Overclocking (OC): DDR5 8200 - 5600 MT/s
  • JEDEC: DDR5 5600 - 4800 MT/s
• Ryzen™ 9000 Series Processors Max Overclocking Frequency:
  • 1DPC 1R: Up to 8200+ MT/s
  • 1DPC 2R: Up to 6400+ MT/s
  • 2DPC 1R: Up to 6400+ MT/s
  • 2DPC 2R: Up to 6000+ MT/s
• Features:
  • Supports AMD POR Speed and JEDEC Speed
  • Supports Memory Overclocking and AMD EXPO™
  • Supports Dual-Channel mode
  • Supports Non-ECC, Un-buffered memory
  • Supports CUDIMM, Clock Driver bypass mode only*
• Notes:
  • *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.
  • The DIMM slots on this motherboard only 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 on the product’s Support page or visit MSI's support website.

Onboard Graphics

• HDMI™: 1x (Support HDMI™ 2.1, max resolution 4K 60Hz*)
• DisplayPort: 1x (Support DisplayPort 1.4, max resolution 4K 60Hz*)
• Note: *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.

Expansion Slots

• PCI-E x16 Slots: 4x
  • PCI_E1: Gen PCIe 5.0, supports up to x16 (From CPU)
    • Ryzen™ 9000/ 7000 Series: PCIe 5.0 x16
    • Ryzen™ 8700/ 8600/ 8400 Series: PCIe 4.0 x8
    • Ryzen™ 8500/ 8300 Series: PCIe 4.0 x4
  • PCI_E2: Gen PCIe 3.0, supports up to x1 (From Chipset)
  • PCI_E3: Gen PCIe 3.0, supports up to x1 (From Chipset)
  • PCI_E4: Gen PCIe 3.0, supports up to x1 (From Chipset)

Audio

• Audio Chipset: Realtek® ALC897
• Channels: 7.1-Channel High Definition Audio

Storage

• M.2 Slots: 3x
  • M.2_1 (From CPU):
    • Supports up to PCIe 5.0 x4 (Ryzen™ 9000/ 7000 Series)
    • Supports up to PCIe 4.0 x4 (Ryzen™ 8000 Series)
    • Supports 2280/2260 devices
  • M.2_2 (From CPU):
    • Supports up to PCIe 4.0 x4
    • Supports up to PCIe 4.0 x2 (Ryzen™ 8500/ 8300 Series)
    • Supports 2280/2260 devices
  • M.2_3 (From Chipset):
    • Supports up to PCIe 4.0 x2
    • Supports 2280 devices
• SATA 6G Ports: 4x
• Note: Please refer to the manual for M.2 SSD heatsink restrictions.

RAID

• SATA Storage Devices: Supports RAID 0, RAID 1, and RAID 10
• M.2 NVMe Storage Devices: Supports RAID 0, RAID 1, and RAID 5*
• Note: *RAID 5 configuration is only supported by Ryzen™ 9000 series processors.

USB

• Rear USB Ports:
  • 4x USB 2.0
  • 2x USB 5Gbps Type-A
  • 1x USB 10Gbps Type-A
  • 1x USB 10Gbps Type-C
• Front USB Ports (Internal Headers):
  • 4x USB 2.0
  • 4x USB 5Gbps Type-A
  • 1x USB 10Gbps Type-C

LAN

• Ethernet Controller: Realtek® 8126VB 5G LAN

Internal I/O Connectors

• 1x Power Connector (ATX_PWR)
• 1x Power Connector (CPU_PWR)
• 1x Power Connector (PCIE_PWR 8pin)
• 1x CPU Fan connector
• 1x Combo Fan (Pump_Sys Fan) connector
• 3x System Fan connectors
• 2x Front Panel (JFP) connectors
• 1x Chassis Intrusion (JCI) connector
• 1x Front Audio (JAUD) connector
• 1x Com Port (JCOM) connector
• 1x Tuning Controller connector (JDASH)
• 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 (via headers)
• 4x USB 5Gbps Type A ports (via headers)
• 1x USB 10Gbps Type C ports (via header)

Wireless LAN & Bluetooth

• Wireless Module: Pre-installed in the M.2 (Key-E) slot
• Wi-Fi Standard: Wi-Fi 7
  • Supports MU-MIMO TX/RX
  • 2.4GHz/ 5GHz/ 6GHz* (160MHz) up to 2.9Gbps
  • Supports 802.11 a/b/g/n/ac/ax/be
• Bluetooth: Bluetooth® 5.4**
  • Supports MLO, 4KQAM
• Notes:
  • *6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2.
  • **The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.

LED Features

• 4x EZ Debug LED
• 1x EZ Memory Detection LED

Back Panel Ports

• Clear CMOS Button
• DisplayPort
• USB 10Gbps Type-A
• USB 2.0
• 5G LAN
• Wi-Fi / Bluetooth Antenna Connectors
• Audio connectors
• Flash BIOS Button
• HDMI™
• USB 10Gbps Type-C
• USB 5Gbps Type-A

Operating System

• Support for Windows® 11 64-bit

PCB Information

• Form Factor: ATX
• Dimensions: 243.84mm x 243.84mm