MSI PRO B850M-P DDR5 Motherboard
PRO B850M-P offers a simple design with a harmonious silver color scheme that perfectly matches both white and black PC builds. It is engineered with many exclusive features of MSI, 5G LAN, EZ PCIe Clip II, PCIe 5.0 M.2 with EZ M.2 Shield Frozr II, and Supplemental PCIe Power, ready for the AMD Ryzen™ 9000 series processors.
DIRECT 7+2+1 POWER DESIGN
Unleash and sustain the maximum performance with a VRM design built with a total of 7+2+1 digital power phases. With an 8-pin power connector, PRO B850M-P is ready for the challenge of heavy-loading tasks.
HIGH-BANDWIDTH AND LOW-LATENCY NETWORK
MSI’s premium network solution provides incredible data transfer speed for demanding users.
KEY FEATURES:
5G Network Solution
Featuring a premium 5G LAN to deliver better network experience.
EZ M.2 Shield Frozr II
The new tool-less design makes installing or removing your M.2
SSD and Shield Frozr much easier
EZ PCIe Clip II
Allows for easy removal of the graphics card by pressing the taillike lock with one finger, even in the cramped case spaces.
Latest DDR5 Memory
A huge step of DDR performance enhancement with the latest
DDR5 memory and MSI Memory Boost technology.
Lightning Gen 5
The latest PCIe 5.0 solution with up to 128GB/s bandwidth for
maximum transfer speed.
Pre-installed I/O Shielding
Better EMI protection and more convenience for installation
Frozr AI Cooling
Detect CPU & GPU temperatures and automatically adjust system
fan duty to a proper value
| Model | MSI PRO B850M-P |
| CPU | Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors Socket AM5 |
| Chipset | AMD B850 |
| Memory | 4x DDR5 UDIMM, Maximum Memory Capacity 256GB 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 6400+ MT/s 2DPC 1R Max speed up to 6400+ MT/s 2DPC 2R Max speed up to 6000+ 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* 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 available on the product’s Support page or visit https://www.msi.com/support/. |
| 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. |
| Expansion Slots | 4x PCI-E x16 slot (Qty)PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU) 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) 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) |
| Storage | 3x 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 M.2_3 Source (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 4.0 x4 Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors) *Please refer to the manual for M.2 SSD heatsink restrictions. |
| LAN | Realtek® 8126VB 5G LAN |
| USB | 4x USB 2.0 (Rear) 4x USB 2.0 (Front) 2x USB 5Gbps Type A (Rear) 4x USB 5Gbps Type A (Front) 1x USB 10Gbps Type A (Rear) 1x USB 10Gbps Type C (Rear) 1x USB 10Gbps Type C (Front) |
| Onboard Graphics | 1x HDMI™ Support HDMITM 2.1, maximum resolution of 4K 60Hz* 1x VGA Support VGA, maximum resolution of 2048×1536 50Hz, 2048×1280 60Hz, 1920×1200 60Hz *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed. |
| Audio | Realtek® ALC897 7.1-Channel High Definition Audio |
| OPERATING SYSTEM | Support for Windows® 11 64-bit |
| Back Panel Ports | Clear CMOS Button DisplayPort USB 10Gbps Type-A USB 2.0 5G LAN Audio connectors Flash BIOS Button HDMI™ USB 10Gbps Type-C USB 5Gbps Type-A |
| Internal I/O Connector | 1x Power Connector(ATX_PWR) 1x Power Connector(CPU_PWR) 1x Power Connector(PCIE_PWR 8pin) 1x CPU Fan 1x PUMP_SYS Fan 3x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 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 4x USB 5Gbps Type A ports 1x USB 10Gbps Type C ports |
| Form Factor | mATX 243.84mmx243.84mm |
| Warranty | 3 Years |
| Note | Features, Price and Specifications are subject to change without notice. Images use for Representation Purpose Only. |






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