Gigabyte S1851 Micro-ATX B860M EAGLE WIFI6 Motherboard

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 9066(O.C) / 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, data rate (speed), and number of DRAM modules, please refer to "Memory Support List" on GIGABYTE's website for more information.)

Onboard Graphics

* Support for HDMI 2.1 version and HDCP 2.3.

* Support for DisplayPort 2.1 version.

Audio

* 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.

LAN

Realtek® 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)

Wireless Communication module

Realtek® Wi-Fi 6 RTL8851BE
- WIFI a, b, g, n, ac, ax, supporting 2.4/5 GHz carrier frequency bands
- BLUETOOTH 5.3
- Support for 11ax 80MHz wireless standard
(Actual data rate may vary depending on environment and equipment.)

Expansion Slots

* The PCIEX16 slot can only support a graphics card or an NVMe SSD. If only one graphics card is to be installed, be sure to install it in the PCIEX16 slot.

Storage Interface

CPU:
- 1 x M.2 connector (Socket 3, M key, type 2280 PCIe 5.0 x4/x2 SSD support)(M2A_CPU)
Chipset:
- 1 x M.2 connector (Socket 3, M key, type 2280 PCIe 4.0 x4/x2 SSD support)(M2P_SB)
- 4 x SATA 6Gb/s connectors
RAID 0, RAID 1, RAID 5, and RAID 10 support for SATA storage devices

USB

Chipset:
- 1 x USB Type-C® port with USB 3.2 Gen 1 support, available through the internal USB header
- 5 x USB 3.2 Gen 1 ports (3 ports on the back panel, 2 ports available through the internal USB header)
- 3 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 connector
1 x CPU fan header
1 x CPU fan/water cooling pump header
1 x system fan header
1 x system fan/water cooling pump header
3 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 Type-C® header, with USB 3.2 Gen 1 support
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/GC-TPM2.0 SPI 2.0/GC-TPM2.0 SPI V2 module only)
1 x serial port header
1 x Q-Flash Plus button
1 x reset jumper
1 x Clear CMOS jumper

Back Panel Connectors

1 x PS/2 keyboard/mouse port
1 x HDMI port*
1 x DisplayPort*
3 x USB 3.2 Gen 1 ports
3 x USB 2.0/1.1 ports
2 x antenna connectors (2T2R)
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

* 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

* Available applications in GCC may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.

Bundled Software

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

Operating System

* The Intel® NPU driver is only supported on Windows 11.

Form Factor

Micro ATX Form Factor; 24.4cm x 22.5cm