MSI PRO B860M-E
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MSI PRO B860M-E

  • Support Intel® Core™ Ultra Processors (Series 2) for LGA 1851 socket
  • Supports DDR5 Memory, Dual Channel DDR5 9066+ MT/s (OC)
  • Ultra Performance: Direct 6 phases with P-PAK, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB
  • 5G LAN: the latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
  • EZ DIY: EZ M.2 Clip II and EZ PCIe Clip II
  • Lightning Fast Game experience: PCIe 5.0 slot and Lightning Gen 5 x4 M.2
  • Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience
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Specification Details
Chipset Intel B860
CPU Supports Intel Core Ultra Processors (Series 2)
Socket LGA 1851
Memory
Configuration 2x DDR5 UDIMM, Maximum Memory Capacity 128GB
Memory Support DDR5 9066 – 6400 (OC) MT/s / 6400 – 4800 (JEDEC) MT/s
Max Overclocking Frequency 1DPC 1R: Up to 9066+ MT/s
1DPC 2R: Up to 7200+ MT/s
Features Supports Intel POR Speed and JEDEC Speed
Supports Memory Overclocking and Intel XMP 3.0
Supports Dual-Controller Dual-Channel Mode
Supports Non-ECC, Un-buffered Memory
Supports CUDIMM
Notes The DIMM slots on this motherboard have single-sided latches.
Memory compatibility and supported speeds vary depending on CPU and memory configuration.
Refer to the Memory Compatibility List on MSI Support for details.
Onboard Graphics
Ports 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.
Expansion Slots
Slots 1x PCI-E x16 slot
1x PCI-E x1 slot
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
Codec Realtek ALC897 Codec
Channels 7.1-Channel High Definition Audio
Storage
Configuration 2x M.2
M.2_1 (From CPU): PCIe 5.0 x4 – supports 2280 / 2260 devices
M.2_2 (From Chipset): PCIe 4.0 x4 – supports 2280 / 2260 devices
4x SATA 6G*Refer to the manual for M.2 SSD heatsink restrictions.
RAID
Support Supports RAID 0, RAID 1, RAID 5, RAID 10 for SATA Storage Devices
USB
Configuration 4x USB 2.0 (Rear)
4x USB 2.0 (Front)
2x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)
1x USB 10Gbps Type C (Front)
LAN
Port Realtek 8125 2.5Gbps LAN
Internal I/O
Connectors 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)
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
2x USB 5Gbps Type A ports
1x USB 10Gbps Type C ports
LED Features
Indicators 4x EZ Debug LED
1x EZ Memory Detection LED
Back Panel Ports
Ports

  1. DisplayPort
  2. Clear CMOS Button
  3. USB 2.0
  4. 5G LAN
  5. Audio Connectors
  6. HDMI™
  7. USB 5Gbps Type-A
Operating System
Support Windows 11 64-bit
Box Content
INCLUDES
PCB INFO
mATX
220mmx243.84mm

Overview

MSI PRO B860M-E

The MSI PRO B860M-E is a reliable and performance-focused Micro-ATX motherboard built for users who want a strong, future-ready foundation for productivity, gaming, or professional workloads. Supporting Intel® Core™ Ultra Processors (Series 2) on the new LGA 1851 socket, it delivers powerful computing performance paired with advanced efficiency. With dual-channel DDR5 support up to 9066+ MT/s (OC), this board ensures lightning-fast memory speeds, improved responsiveness, and stable multitasking across demanding applications.

Designed for consistent power delivery, the motherboard uses a direct 6-phase P-PAK power system with an 8-pin CPU power connector, enhanced by MSI’s Core Boost and Memory Boost technologies. This combination ensures clean power output, better stability, and optimized performance for both CPU and memory-intensive tasks. The 6-layer PCB further strengthens signal integrity and durability, making the board dependable for long-term use.

Builders will appreciate the convenience of EZ M.2 Clip II and EZ PCIe Clip II, which make it simple to install or swap out SSDs and graphics cards without hassle. For high-speed performance, the PRO B860M-E includes a PCIe 5.0 slot and Lightning Gen 5 x4 M.2, enabling next-generation GPU support and ultra-fast NVMe storage.

Networking is equally robust with 5G LAN, offering secure, stable, and high-speed connectivity ideal for professionals, creators, and gamers. To elevate the overall experience, Audio Boost delivers clean, studio-grade sound, making movies, music, and gaming more immersive.

Product Datasheet

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