GIGABYTE B860 Micro ATX Motherboard for Intel® Core™ Ultra (Series 2)
Designed for next-gen Intel® Core™ Ultra processors (Series 2), this GIGABYTE B860 micro ATX motherboard combines advanced power delivery, high-speed DDR5 memory support, ultra-fast storage, and rich connectivity in a compact form factor.
Key Features
- Processor Support
- Supports Intel® Core™ Ultra processors (Series 2) on LGA1851 socket
-
Digital twin 12+1+2 phases VRM solution
-
High-Performance Memory
- Dual Channel DDR5 with 4 DIMM slots (up to 256 GB)
- Supports DDR5 9200(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
- D5 Bionic Corsa design for infinite memory performance
- Supports ECC Un-buffered DIMM 1Rx8/2Rx8 (operating in non-ECC mode)
- Supports non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16
-
XMP memory module support
-
AI & User Experience
- AI Perfdrive: Optimized and customizable BIOS preset profiles
-
Friendly UI: Multi-theme BIOS, AIO fan control, and Q-Flash Auto Scan in BIOS and software
-
Tool-Less Assembly
- EZ-Latch Plus: PCIe and M.2 slots with quick-release, screwless design
-
EZ-Latch Click: M.2 heatsinks with screwless design
-
Display & Sensor Integration
- Sensor Panel Link: Onboard video port for hassle-free in-chassis panel setup
-
Supports up to quad-display simultaneously
-
Ultra-Fast Storage
- 3 × M.2 slots, including:
- 1 × PCIe 5.0 x4 (CPU)
- 2 × PCIe 4.0 x4/x2 (Chipset)
- 4 × SATA 6Gb/s connectors
-
RAID 0, 1, 5, 10 support for SATA storage
-
Efficient Thermal Design
- VRM Thermal Armor Advanced
-
M.2 Thermal Guard Ext.
-
High-Speed Networking
- Realtek® 2.5GbE LAN
-
Wi-Fi 6E with directional ultra-high gain antenna
-
Extended Connectivity
- USB4 Type-C with DP-Alt
- HDMI and DisplayPort
-
Rich USB 3.2 Gen 2/Gen 1 and USB 2.0 options
-
Form Factor
- Micro ATX, 24.4 cm x 24.4 cm
Specifications
CPU
| Item | Details |
|---|---|
| Socket | LGA1851 |
| Support | Intel® Core™ Ultra Processors |
| L3 Cache | Varies with CPU |
| Note | Refer to GIGABYTE website for latest CPU support list |
Chipset
| Item | Details |
|---|---|
| Chipset | Intel® B860 Express Chipset |
Memory
| Feature | Details |
|---|---|
| Type | DDR5 |
| Supported Speeds | 9200(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 |
| Slots | 4 × DDR5 DIMM sockets |
| Max Capacity | Up to 256 GB (64 GB per DIMM) |
| Channel Architecture | Dual channel |
| ECC Support | ECC Un-buffered DIMM 1Rx8/2Rx8 (operates in non-ECC mode) |
| Non-ECC Support | Un-buffered DIMM 1Rx8/2Rx8/1Rx16 |
| XMP | Support for Extreme Memory Profile (XMP) |
| Note | CPU and memory configuration may affect supported types, speeds, and module count. Refer to GIGABYTE Memory Support List. |
Onboard Graphics
Integrated Graphics Processor – Intel® HD Graphics support:
| Port | Max Resolution & Standard |
|---|---|
| USB4 Type-C | 3840 × 2160 @ 144 Hz, DisplayPort video output, DP 2.1 |
| DisplayPort | 3840 × 2160 @ 144 Hz, DP 2.1 |
| HDMI (rear) | 4096 × 2160 @ 60 Hz, HDMI 2.1, HDCP 2.3 |
| Front HDMI | 1920 × 1080 @ 30 Hz, HDMI 1.4 |
- Support for up to quad-display at the same time
- Graphics specifications may vary depending on CPU support
Audio
| Item | Details |
|---|---|
| Codec | Realtek® Audio CODEC |
| Audio | High Definition Audio |
| Channels | 2/4/5.1/7.1-channel (configurable in SW) |
| Digital Out | Support for S/PDIF Out |
*7.1-channel audio configuration via audio software.
LAN
| Item | Details |
|---|---|
| Chip | Realtek® 2.5GbE LAN |
| Speeds | 2.5 Gbps / 1 Gbps / 100 Mbps |
Wireless Communication
| Revision | Chipset | Features |
|---|---|---|
| PCB rev. 1.0 | Intel® Wi-Fi 6E AX211 | WiFi a/b/g/n/ac/ax, 2.4/5/6 GHz bands, Bluetooth 5.3, 11ax 160 MHz support |
| PCB rev. 1.1 | Realtek® Wi-Fi 6E RTL8852CE | WiFi a/b/g/n/ac/ax, 2.4/5/6 GHz bands, Bluetooth 5.3, 11ax 160 MHz support |
Actual data rates may vary depending on environment and equipment.
Expansion Slots
| Source | Slot | Standard | Lanes | Notes |
|---|---|---|---|---|
| CPU | 1 × PCI Express x16 (PCIEX16) | PCIe 5.0 | x16 | Supports a graphics card or an NVMe SSD. For single GPU setups, install in PCIEX16 slot. |
| Chipset | 1 × PCI Express x16 (PCIEX4) | PCIe 4.0 | x4 | – |
Storage Interface
| Source | Connector | Type & Support |
|---|---|---|
| CPU | 1 × M.2 (M2A_CPU) | Socket 3, M key, type 2280, PCIe 5.0 x4/x2 SSD |
| Chipset | 1 × M.2 (M2Q_SB) | Socket 3, M key, type 2580/2280, PCIe 4.0 x4/x2 SSD |
| Chipset | 1 × M.2 (M2N_SB) | Socket 3, M key, type 25110/22110/2580/2280, PCIe 4.0 x4/x2 SSD |
| Chipset | 4 × SATA 6Gb/s | SATA 6Gb/s connectors, RAID 0/1/5/10 for SATA devices |
USB Connectivity
CPU:
- 1 × USB4® USB Type-C® port on the back panel
Chipset:
- 1 × USB Type-C® port with USB 3.2 Gen 2 support (internal header)
- 2 × USB 3.2 Gen 2 Type-A ports (red, back panel)
- 2 × USB 3.2 Gen 1 ports (internal header)
Chipset + USB 3.2 Gen 1 Hub:
- 4 × USB 3.2 Gen 1 ports (back panel)
Chipset + 2 × USB 2.0 Hubs:
- 8 × USB 2.0/1.1 ports (4 × back panel, 4 × via internal headers)
Internal I/O Connectors
- 1 × 24-pin ATX main power connector
- 2 × 8-pin ATX 12V power connectors
- 1 × CPU fan header
- 1 × CPU fan/water cooling pump header
- 3 × system fan headers
- 1 × system fan/water cooling pump header
- 3 × addressable RGB Gen2 LED strip headers
- 1 × RGB LED strip header
- 3 × M.2 Socket 3 connectors
- 4 × SATA 6Gb/s connectors
- 1 × front panel header
- 1 × front panel audio header
- 1 × USB Type-C® header with USB 3.2 Gen 2 support
- 1 × USB 3.2 Gen 1 header
- 2 × USB 2.0/1.1 headers
- 2 × Thunderbolt™ add-in card connectors
- 1 × Trusted Platform Module header (GC-TPM2.0 SPI/GC-TPM2.0 SPI 2.0/GC-TPM2.0 SPI V2 only)
- 1 × HDMI port*
- 1 × power button
- 1 × reset button
- 1 × Q-Flash Plus button
- 1 × reset jumper
- 1 × Clear CMOS jumper
*Actual support may vary by CPU.
Back Panel Connectors
- 4 × USB 2.0/1.1 ports
- 4 × USB 3.2 Gen 1 ports
- 1 × DisplayPort*
- 1 × USB4® USB Type-C® port (DisplayPort*)
- 1 × HDMI port*
- 1 × RJ-45 (2.5GbE LAN) port
- 2 × USB 3.2 Gen 2 Type-A ports (red)
- 2 × antenna connectors (2T2R)
- 2 × audio jacks
- 1 × optical S/PDIF Out connector
*Actual support may vary by CPU.
I/O Controller & Monitoring
| Item | Details |
|---|---|
| Controller | iTE® I/O Controller Chip |
| Monitoring | Voltage, temperature, fan speed, water flow rate |
| Warnings | Fan fail warning |
| Control | Fan speed control* |
*Fan/pump speed control support depends on installed fan/pump.
BIOS
- 1 × 256 Mbit flash
- AMI UEFI BIOS (licensed)
- 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 and functions vary by model and specifications
- Support for Q-Flash
- Support for Q-Flash Plus
- Support for Smart Backup
Bundled Software
- Norton® Internet Security (OEM version)
- LAN bandwidth management software
Operating System
- Support for Windows 11 64-bit
Form Factor
- Micro ATX Form Factor
- Dimensions: 24.4 cm × 24.4 cm
