Gigabyte B860M H Intel B860 LGA 1851 Arrow Lake Micro-ATX Desktop Motherboard
R2155
GIGABYTE Ultra Durable™ motherboards built with optimal components inside out provide the prime performance and timeless platform.
In stock
Description
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, data rate (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 4096×2160@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® 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)
Expansion Slots
CPU:
– 1 x PCI Express x16 slot, supporting PCIe 5.0 and running at x16 (PCIEX16)
* The PCIEX16 slot can only support a graphics card or an NVMe SSDChipset:- 1 x PCI Express x1 slot, supporting PCIe 4.0 and running at x1 (PCIEX1)
– 1 x PCI Express x16 slot, supporting PCIe 5.0 and running at x16 (PCIEX16)
* The PCIEX16 slot can only support a graphics card or an NVMe SSDChipset:- 1 x PCI Express x1 slot, supporting PCIe 4.0 and running at x1 (PCIEX1)
Storage Interface
Chipset:
– 2 x M.2 connectors (Socket 3, M key, type 2280 PCIe 4.0 x4/x2 SSD support) (M2Q_SB, M2N_SB)
– 4 x SATA 6Gb/s connectors
RAID 0, RAID 1, RAID 5, and RAID 10 support for SATA storage devices
– 2 x M.2 connectors (Socket 3, M key, type 2280 PCIe 4.0 x4/x2 SSD support) (M2Q_SB, M2N_SB)
– 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
– 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 connector
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
1 x Clear CMOS jumper
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/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
1 x Clear CMOS jumper
Back Panel Connectors
2 x USB 2.0/1.1 ports
1 x PS/2 keyboard/mouse port
1 x HDMI port*
4 x USB 3.2 Gen 1 ports
1 x RJ-45 port
3 x audio jacks
* Actual support may vary by CPU.
1 x PS/2 keyboard/mouse port
1 x HDMI port*
4 x USB 3.2 Gen 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.
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
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 specificationsSupport for Q-Flash
Support for Smart Backup
* Available applications in GCC may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specificationsSupport for Q-Flash
Support for Smart Backup
Bundled Software
Norton® Internet Security (OEM version)
LAN bandwidth management software
* Service discontinued as a result of contract termination by the software provider.
LAN bandwidth management software
* Service discontinued as a result of contract termination by the software provider.
Operating System
Support for Windows 11 64-bit
Support for Windows 10 64-bit
* The Intel® NPU driver and Intel® 800 Platform Performance Package Installer are only supported on Windows 11.
Support for Windows 10 64-bit
* The Intel® NPU driver and Intel® 800 Platform Performance Package Installer are only supported on Windows 11.
Form Factor
Micro ATX Form Factor; 24.4cm x 21.5cm
Additional information
| Weight | 1,7 kg |
|---|---|
| Dimensions | 27 × 27 × 7 cm |
| Condition | |
| CPU Manufacturer | Intel |
| CPU Socket | LGA 1851 |
| Motherboard Chipset | Intel B860 |
| Form Factor | Micro ATX |
| Memory Slots | 2 |
| Max Memory Capacity | 128 GB |
| Memory Type | DDR5 |
Frequently Asked Questions
Q: Which processors are compatible with this motherboard?
A: This motherboard uses the LGA 1851 socket layout. Make sure your CPU matches this socket type before buying.
Q: What chipset does this motherboard have?
A: This board is built with the Intel B860 chipset, which determines the features, connectivity, and overclocking options it supports.
Q: What size case do I need for this motherboard?
A: This is an Micro ATX motherboard. Make sure your PC chassis supports this specific size layout.
Q: What is the maximum amount of RAM this motherboard supports?
A: This motherboard supports up to 128 GB of total system memory.
Q: How many memory slots does this motherboard have?
A: This board features 2 DIMM memory slots for installing RAM modules.
