MSI PRO B860M - E

Intel B860 LGA 1851 Micro-ATX Motherboard

The MSI PRO B860M - E supports Intel Core Ultra processors (Series 2), pairing DDR5 memory with PCIe 5.0 connectivity and Realtek 5Gbps LAN in a compact mATX design.

🔑 Key Highlights

• Platform: Intel B860 chipset and LGA 1851 socket for Intel Core Ultra processors (Series 2).
• Memory: 2 DDR5 UDIMM slots, up to 128GB, Intel XMP 3.0 and CUDIMM support.
• Expansion: CPU-connected PCIe 5.0 x16 slot.
• Storage: PCIe 5.0 x4 and PCIe 4.0 x4 M.2 slots, plus 4 SATA 6Gb/s ports.
• Networking: Realtek 8126 5Gbps LAN.
• Power Phases / VRM: Not specified in the supplied data.

📋 Specifications

• Brand / Model: MSI PRO B860M - E
• Chipset: Intel B860
• Socket: LGA 1851
• CPU Support: Intel Core Ultra processors (Series 2)
• Memory: 2 DDR5 UDIMM slots, maximum 128GB; DDR5 9066–6400 MT/s (OC) / 6400–4800 MT/s (JEDEC). 1DPC 1R up to 9066+ MT/s; 1DPC 2R up to 7200+ MT/s.
• Memory Features: Intel POR and JEDEC speeds; memory overclocking; Intel XMP 3.0; Dual-Controller Dual-Channel mode; non-ECC, unbuffered; CUDIMM support. Double-sided DIMM latches. Compatibility and supported speeds depend on CPU and memory configuration; consult MSI's memory compatibility list.
• Display Outputs: 1 HDMI 2.1 and 1 DisplayPort 1.4, each up to 4K 60Hz. Requires a processor with integrated graphics; specifications depend on the CPU.
• Expansion Slots: 1 PCIe x16 and 1 PCIe x1. PCI_E1: CPU-connected PCIe 5.0 x16. PCI_E2: chipset-connected PCIe 4.0 x1.
• Audio: Realtek ALC897 codec, 7.1-channel High Definition Audio.
• Storage: 2 M.2 slots. M.2_1: CPU-connected PCIe 5.0 x4, 2280/2260/2242 devices. M.2_2: chipset-connected PCIe 4.0 x4, 2280/2260 devices. 4 SATA 6Gb/s ports. Refer to the manual for M.2 SSD heatsink restrictions.
• Rear USB: 4 USB 2.0 and 2 USB 5Gbps Type-A.
• Front USB Support: 4 USB 2.0, 2 USB 5Gbps Type-A and 1 USB 10Gbps Type-C.
• LAN: Realtek 8126 5Gbps LAN.
• Internal Connectors: 1 ATX power; 1 CPU power; 1 CPU fan; 2 system fan; 2 front panel; 1 chassis intrusion; 1 front audio; 1 COM; 1 JDASH tuning controller; 3 addressable V2 RGB; 1 RGB; 1 TPM header supporting TPM 2.0. Front USB connectivity as listed above.
• Diagnostics: 4 EZ Debug LEDs and 1 EZ Memory Detection LED.
• Rear Panel: DisplayPort, HDMI, Clear CMOS button, USB 2.0, USB 5Gbps Type-A, 5G LAN and audio connectors.
• Power Phases / VRM: Not specified in the supplied data.
• Operating System: Windows 11 64-bit.
• Form Factor: mATX
• PCB Dimensions: 220 × 243.84mm