GIGABYTE B860M K LGA 1851 M-ATX Motherboard, Intel B860 Express Chipset, 2x DDR5 DIMM Slots, Up to 128GB Max Memory, 1x PCIe 4.0 x16 Slot, 2x PCIe 4.0 M.2 Slots | B860M-K

CPU

LGA1851 socket, Intel® Core™ Ultra Processors, L3 cache varies with CPU

Chipset

Intel® B860 Express Chipset

Memory

DDR5 8800(O.C) to 5600 MT/s, 2 x DDR5 DIMM (up to 128 GB), ECC/Non-ECC, Dual channel, XMP support

Graphics

Integrated Intel® HD Graphics
1 x HDMI (4096x2160@60Hz, HDMI 2.1, HDCP 2.3)

Audio

Realtek® Audio CODEC, HD Audio, 2/4/5.1/7.1-channel, S/PDIF Out

LAN

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

Expansion Slots

1 x PCIe 4.0 x16 (CPU)
1 x PCIe 3.0 x1 (Chipset)

Storage

2 x M.2 (PCIe 4.0 x4/x2)
4 x SATA 6Gb/s
RAID 0/1/5/10

USB

6 x USB 3.2 Gen 1 (4 rear, 2 internal)
6 x USB 2.0 (2 rear, 4 internal)

Internal I/O

1 x 24-pin ATX, 1 x 8-pin ATX 12V
1 x CPU fan, 1 x CPU/water pump, 1 x system fan/water pump
2 x ARGB Gen2 headers
2 x M.2, 4 x SATA
1 x front panel, 1 x front audio, 1 x S/PDIF, 1 x USB 3.2, 2 x USB 2.0
1 x TPM header, 1 x serial port, 1 x Clear CMOS

Back Panel

1 x PS/2 port
1 x HDMI port
4 x USB 3.2 Gen 1
2 x USB 2.0
1 x RJ-45
3 x audio jacks

I/O Controller

iTE® Controller Chip

H/W Monitoring

Voltage, temperature, fan speed, water flow, fan fail warning, fan speed control

BIOS

256 Mbit flash, AMI UEFI BIOS, PnP 1.0a, DMI 2.7, ACPI 5.0

Unique Features

GIGABYTE Control Center, Q-Flash, Smart Backup

Software

Norton® Internet Security (OEM), LAN bandwidth manager

OS Support

Windows 11/10 64-bit (NPU driver only on Win 11)