MSI PRO B860M-S mATX Motherboards ( Intel LGA 1851 Socket, Supports Intel Core Ultra Processors (Series 2) Cpu, 2x DDR5 RAM Slots, Max 128GB RAM Support )
- PRO B860M-S offers a simple design with a harmonious color scheme that perfectly matches both white and black PC builds. It is engineered with 2.5G LAN and PCIe 5.0, ready for the Intel Core Ultra processors.
- The new EZ PCIe Clip II, located on the first slot, features the rebounding force mechanism that allows for easy removal of the graphics card by pressing the tail-like lock with one finger. Due to this exquisite design, users can uninstall the graphics cards effortlessly, even in the cramped case spaces.
- MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean. Moreover, the protective paint is printed around each screw hole to prevent parts from being scratched or damaged to the motherboard.
- EZ DEBUG LED :- Onboard LEDs will indicate the source of the problem so you know exactly where to look to get up and running again.
- EZ Memory Detection LED:- This LED lights up when it detects faulty memory in slots, eliminating guesswork from troubleshooting.
- Power Solution:- Core Boost technology combines MSI’s premium layout and optimized power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU overclocking.
- Memory:- A huge step of DDR performance enhancement with the latest DDR5 memory. Combines with dedicated SMT welding process and MSI Memory Boost technology, PRO B860M-S is ready to deliver the world class memory performance.
- Protection:- Transient Voltage Suppressors (TVS) are safety devices used to protect against excessive voltage. All motherboard models of MSI are equipped with TVS. When the voltage abnormally rises, the TVS switches from a high-resistance state to a low-resistance state, diverting the excessive voltage to ground. This helps prevent circuit damage caused by high voltage.
- MSI motherboards prioritize safety with the embedded Overcurrent Protection (OCP), ensuring crucial components such as the USB ports, DDR memory, PWM IC, and CPU are shielded from excessive current. This proactive defense mechanism curtails the risk of damage or malfunction due to power surges, promoting long-term system stability. This commitment to safeguarding your hardware underscores MSI’s dedication to producing motherboards that prioritize durability and stability.
- The grounding structure of power phases is the MSI’s exclusive design. This patented design enables to suppress the electromagnetic interference (EMI) generated by the power phases and helps to efficiently conduct heat to the copper plane with grounding properties
- Chipset Heatsink:- The PCH heatsink is designed to reduce dust and noise and capable of maintaining high efficiency of heat dissipation.
| Chipset | INTEL B860 |
| CPU | Supports Intel Core Ultra Processors (Series 2) LGA 1851 |
| Memory | 2x DDR5 UDIMM, Maximum Memory Capacity 128GB Memory Support DDR5 8800 – 6400 (OC) MT/s / 6400 – 4800 (JEDEC) MT/s Max. overclocking frequency: • 1DPC 1R Max speed up to 8800 MT/s • 1DPC 2R Max speed up to 6400 MT/s Supports Intel POR Speed and JEDEC Speed • The DIMM slots on this motherboard have double-sided latches. |
| Onboard Graphics | 1x HDMI Support HDMI 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 | 1x PCI-E x16 slot (Qty) 1x PCI-E x1 slot (Qty) PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 4.0 supports up to x1 (From Chipset) |
| Audio | Realtek ALC897 Codec 7.1-Channel High Definition Audio |
| Storage | 1x M.2 (Qty) M.2_1 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices 4x SATA 6G (Qty) *Please refer to the manual for M.2 SSD heatsink restrictions. |
| USB | 4x USB 2.0 (Rear) 4x USB 2.0 (Front) 2x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 1x USB 5Gbps Type C (Front) |
| LAN | Realtek 8125D 2.5Gbps LAN |
| Internal IO | 1x Power Connector(ATX_PWR) 1x Power Connector(CPU_PWR) 1x CPU Fan 2x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 3x Addressable V2 RGB LED connector (JARGB_V2) 1x TPM pin header(Support TPM 2.0) 4x USB 2.0 ports 2x USB 5Gbps Type A ports 1x USB 5Gbps Type C ports |
| LED FEATURE | 4x EZ Debug LED 1x EZ Memory Detection LED |
| BACK PANEL PORTS |
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| OPERATING SYSTEM | Support for Windows 11 64-bit |
| PCB Info | mATX 220mmx243.84mm |










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