MSI PRO B860M-E LGA 1851 DDR5 Motherboard

CPU Support

• Intel® Core™ Ultra Processors (Series 2)

Memory

• Slots: 2 × DDR5 UDIMM
• Max Capacity: 128 GB (64 GB per slot)
• Architecture: Dual-Controller Dual-Channel mode
• Supported Types: Non-ECC, unbuffered DDR5
• JEDEC Speeds: 4800 – 6400 MT/s
• Overclocked (OC) Speeds:
  • 1DPC 1R: Up to 9066+ MT/s
  • 1DPC 2R: Up to 7200+ MT/s
• Features:
  • Intel® XMP 3.0 support
  • CUDIMM support
  • Double-sided DIMM latches

Onboard Graphics (via CPU)

• HDMI™: 1 × HDMI 2.1 (up to 4K @ 60Hz)
• DisplayPort: 1 × DP 1.4 (up to 4K @ 60Hz)

Expansion Slots

• PCI_E1 (from CPU): PCIe 5.0 x16
• PCI_E2 (from chipset): PCIe 4.0 x1

Storage

• M.2 Slots:
  • M.2_1 (CPU): PCIe 5.0 x4, supports 2280/2260/2242
  • M.2_2 (Chipset): PCIe 4.0 x4, supports 2280/2260
• SATA Ports: 4 × SATA 6Gb/s

Audio

• Codec: Realtek® ALC897
• Channels: 7.1-channel HD Audio

Networking

• LAN: Realtek® 8126 5 Gigabit Ethernet

USB Ports

• USB 5Gbps (USB 3.2 Gen 1): 2 × Type-A
• USB 2.0: 4 ×

• USB 5Gbps Type-A: 2
• USB 10Gbps Type-C: 1
• USB 2.0: 4

Internal Connectors

• Power:
  • 1 × 24-pin ATX
  • 1 × 8-pin CPU
• Cooling:
  • 1 × CPU fan
  • 2 × System fans
• Lighting:
  • 3 × Addressable RGB V2 (5V 3-pin)
  • 1 × Standard RGB (12V 4-pin)
• Other:
  • TPM 2.0 header
  • Front panel, audio, COM port, chassis intrusion
  • JDASH tuning controller connector

Back Panel I/O

• HDMI™
• DisplayPort
• USB 5Gbps Type-A ×2
• USB 2.0 ×4
• 5G LAN (RJ45)
• 3.5mm audio jacks
• Clear CMOS Button

Diagnostics & Features

• EZ Debug LEDs: 4 (CPU, DRAM, VGA, BOOT)
• EZ Memory Detection LED: Yes

Form Factor & OS Support

• Form Factor: micro-ATX (220 × 243.84 mm)
• Operating System: Windows® 11 64-bit