MAG B850M MORTAR WIFI

Chipset AMD B850
CPU Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5
Memory 4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory 支持 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 6400+ MT/s
• 2DPC 1R Max speed up to 6400+ MT/s
• 2DPC 2R Max speed up to 4800+ MT/s

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*

* 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 have double-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/.

Onboard Graphics 1x HDMI™
Support HDMI™ 2.1 FRL, maximum resolution of 8K 60Hz*
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Slot 1x PCI-E x16 插槽(数量)
1x PCI-E x4 slot
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 processors)
Audio Realtek® ALC4080 Codec
7.1-Channel USB High Performance Audio
Supports up to 32-bit/384kHz playback on front panel
Supports S/PDIF output
Storage 3x M.2 (Qty)
M.2_1 源 (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_2 源 (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_3 源 (From Chipset) supports up to PCIe 4.0 x2 , supports 2280 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 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors)
• Supports up to PCIe 4.0 x4 (For Ryzen™ 8700/ 8600/ 8400 Series processors)
• Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors)

M2_3 slot
• Supports up to PCIe 4.0 x2

** Please refer to the manual for M.2 SSD heatsink restrictions
Multi-GPU AMD MULTI-GPU 支持
RAID • Supports RAID 0 , RAID 1 and RAID 10 for SATA storage devices
• Supports RAID 0, RAID 1 and RAID 5 for M.2 NVMe storage devices
*RAID 5 configuration is only supported by Ryzen™ 9000 series processors.
USB 4x USB 2.0 (前置)
4x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)
3x USB 10Gbps Type A (Rear)
1x USB 10Gbps Type C (Rear)
1x USB 10Gbps Type C (Front)
1x USB 20Gbps Type C (Rear)
LAN Realtek® 8126-VB 5G LAN
Internal IO 1x Power Connector(ATX_PWR)
2x Power Connector(CPU_PWR)
1x Power Connector(PCIE_PWR 8pin)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
4x System Fan
1x ARGB+FAN Header (JAF_1)
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
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 接口
2x USB 5Gbps Type A ports
1x USB 10Gbps Type C ports
WIRELESS LAN & BLUETOOTH Wi-Fi 7 Solution
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (320MHz) up to 5.8Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax/ be

Supports Bluetooth® 5.4**, MLO, 4KQAM

* 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 FEATURE 4x EZ Debug LED
1x EZ Memory Detection LED
BACK PANEL PORTS
  1. Clear CMOS Button
  2. 5G LAN
  3. USB 10Gbps Type-A
  4. USB 5Gbps Type-A
  5. Audio Connectors
  6. Flash BIOS Button
  7. HDMI™
  8. USB 10Gbps Type-A
  9. USB 10Gbps Type-C
  10. USB 20Gbps Type-C
  11. Wi-Fi / Bluetooth
  12. Optical S/PDIF Out

OPERATING SYSTEM Support for Windows® 11 64-bit
BOX CONTENT
PCB Info mATX
243.84mmx243.84mm
© AMD, and the AMD Arrow logo, Ryzen, Radeon, FreeSync, and combinations thereof are trademarks of Advanced Micro Devices, Inc. DirectX and Microsoft are registered trademarks of Microsoft Corporation in the US and other jurisdictions. PCI Express is a registered trademark of PCI-SIG Corporation. Vulkan and the Vulkan logo are trademarks of the Khronos Group Inc. Other product names are for identification purposes only and may be trademarks of their respective companies.
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