Gigabyte B860M K Intel B860 LGA 1851 Arrow Lake Micro-ATX Desktop Motherboard

SPECIFICATIONS

Brand

Gigabyte

Series

B860M K

Model

GA-B860M-K

CPU

• LGA1851 socket: Support for Intel Core Ultra Processors
• (Go to GIGABYTE's website for the latest CPU support list.)
• L3 cache varies with CPU

Chipset

Intel B860 Express Chipset

Memory

• Support for DDR5 8800(O.C) /8600(O.C) / 8400(O.C) /8266(O.C) / 8200(O.C) / 8000(O.C) / 7950(O.C) / 7900(O.C) / 7800(O.C) / 7600(O.C.) / 7400(O.C.) / 7200(O.C.) / 7000(O.C.) / 6800(O.C.) / 6600(O.C.) /6400/5600 MT/s memory modules
• 2 x DDR5 DIMM sockets supporting up to 128 GB (64 GB single DIMM capacity)of system memory
• Dual channel memory architecture
• Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode)
• Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
• Support for Extreme Memory Profile (XMP) memory modules
• (The CPU and memory configuration may affect the supported memory types, datarate (speed), and number of DRAM modules, please refer to "Memory Support List" on GIGABYTE's website for more information.)

Onboard Graphics

• Integrated Graphics Processor-Intel HD Graphics support:
• - 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz
• * Support for HDMI 2.1 version and HDCP 2.3.
• (Graphics specifications may vary depending on CPU support.)

Audio

• Realtek Audio CODEC
• High Definition Audio
• 2/4/5.1/7.1-channel
• * You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.
• Support for S/PDIF Out

LAN

Realtek GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)

Expansion Slots

• CPU:
• - 1 x PCI Express x16 slot, supporting PCIe 4.0 and running at x16 (PCIEX16)
• * The PCIEX16 slot can only support a graphics card or an NVMe SSD.
• Chipset:
• - 1 x PCI Express x1 slot, supporting PCIe 3.0 and running at x1 (PCIEX1)

Storage Interface

• Chipset:
• - 2 x M.2 connector (Socket 3, M key, type 2280 PCIe 4.0 x4/x2 SSD support)
• - 4 x SATA 6Gb/s connectors
• RAID 0, RAID 1, RAID 5, and RAID 10 support for SATA storage devices

USB

• Chipset:
• - 6 x USB 3.2 Gen 1 ports (4 ports on the back panel, 2 ports available through the internal USB header)
• - 2 x USB 2.0/1.1 ports on the back panel
• Chipset+USB 2.0 Hub:
• - 4 x USB 2.0/1.1 ports available through the internal USB headers

Internal I/O Connectors

• 1 x 24-pin ATX main power connector
• 1 x 8-pin ATX 12V power connectors
• 1 x CPU fan header
• 1 x CPU fan/water cooling pump header
• 1 x system fan/water cooling pump header
• 2 x addressable RGB Gen2 LED strip headers
• 2 x M.2 Socket 3 connectors
• 4 x SATA 6Gb/s connectors
• 1 x front panel header
• 1 x front panel audio header
• 1 x S/PDIF Out header
• 1 x USB 3.2 Gen 1 header
• 2 x USB 2.0/1.1 headers
• 1 x Trusted Platform Module header (For the GC-TPM2.0 SPI V2 module only)
• 1 x serial port header j
• 1 x Clear CMOS jumper

Back Panel Connectors

• 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 port
• 3 x audio jacks
• * Actual support may vary by CPU.

I/O Controller

iTE I/O Controller Chip

H/W Monitoring

• Voltage detection
• Temperature detection
• Fan speed detection
• Water cooling flow rate detection
• Fan fail warning
• Fan speed control
• * Whether the fan (pump) speed control function is supported will depend on the fan (pump) you install.

BIOS

• 1 x 256 Mbit flash
• Use of licensed AMI UEFI BIOS
• PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Unique Features

• Support for GIGABYTE Control Center (GCC)
• * Available applications in GCC may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
• Support for Q-Flash
• Support for Smart Backup

Bundled Software

• Norton Internet Security (OEM version)
• LAN bandwidth management software

Operating System

• Support for Windows 11 64-bit
• Support for Windows 10 64-bit
• * The Intel NPU driver is only supported on Windows 11.

Form Factor

• Micro ATX Form Factor
• 24.4cm x 21.5cm