







- Stock: In Stock
- Model: B860M K
CPU
Socket: LGA1851, supporting Intel® Core™ Ultra Processors.
Compatibility: Check GIGABYTE's website for the latest CPU support list.
Chipset
Intel® B860 Express Chipset for optimized performance.
Memory
DIMM Slots: 2 x DDR5 slots, supporting up to 128GB (64GB per DIMM).
Speeds: Supports DDR5 8800 MT/s and beyond with overclocking.
Features:
Dual channel architecture.
ECC un-buffered DIMM (non-ECC mode).
Extreme Memory Profile (XMP) modules.
Graphics
Integrated Graphics: Intel® HD Graphics support.
Ports:
1 x HDMI (up to 4K @ 60Hz, HDMI 2.1 and HDCP 2.3).
Audio
Codec: Realtek® Audio.
Features:
High Definition Audio with support for 2/4/5.1/7.1-channel configurations.
S/PDIF Out available for enhanced sound output.
LAN
Controller: Realtek® GbE LAN chip supporting speeds of 1Gbps/100Mbps/10Mbps.
Expansion Slots
PCI Express Slots:
From CPU: 1 x PCIe 4.0 x16 (graphics or NVMe SSD).
From Chipset: 1 x PCIe 3.0 x1.
Storage
M.2 Slots: 2 x M.2 connectors (type 2280) supporting PCIe 4.0 x4/x2.
SATA Ports: 4 x SATA 6Gb/s ports.
RAID Support: Supports RAID 0, 1, 5, and 10.
USB Ports
Rear (6 Total):
4 x USB 3.2 Gen 1 ports (5Gbps).
2 x USB 2.0/1.1 ports.
Internal (6 Total):
2 x USB 3.2 Gen 1 ports via internal header.
4 x USB 2.0/1.1 ports via internal headers.
Internal I/O Connectors
Power: 1 x 24-pin ATX main, 1 x 8-pin ATX 12V power connector.
Fan Headers:
1 CPU fan header, 1 CPU fan/water cooling pump header, 1 system fan/water cooling pump header.
RGB Headers: 2 x Addressable Gen2 RGB LED headers.
Miscellaneous: TPM header, Clear CMOS jumper, S/PDIF Out header, front panel audio header, and serial port header.
Back Panel Connectors
Connectivity:
1 x PS/2 keyboard/mouse port.
1 x HDMI port.
4 x USB 3.2 Gen 1 ports.
2 x USB 2.0/1.1 ports.
1 x RJ-45 LAN port.
3 x Audio jacks.
BIOS
Features:
256 Mbit flash with AMI UEFI BIOS.
Support for Smart Backup and Q-Flash.
Unique Features
Software:
GIGABYTE Control Center (GCC) for system customization.
Norton® Internet Security (OEM version).
LAN bandwidth management utilities.
Operating System
Compatibility: Windows 11 (64-bit) and Windows 10 (64-bit).
Form Factor
Size: Micro-ATX (24.4cm x 21.5cm).