GIGABYTE B860 ATX Motherboard for Intel® Core™ Ultra (Series 2)
Designed for next-generation Intel® Core™ Ultra processors, this GIGABYTE B860 ATX motherboard delivers high-end power delivery, fast DDR5 support, advanced connectivity, and user-friendly installation features.
Key Features
-
Supports Intel® Core™ Ultra Processors (Series 2)
LGA1851 socket with support for Intel® Core™ Ultra processors (see GIGABYTE website for the latest CPU support list). -
Robust Power Design
Digital twin 14+1+2 phases VRM solution. -
High-Speed DDR5 Memory
- Dual Channel DDR5 architecture
- 4 × DDR5 DIMM slots, up to 256 GB (64 GB per DIMM)
- Support for DDR5 9200(O.C) down to 5600 MT/s
- Support for ECC Un-buffered DIMM 1Rx8/2Rx8 (non-ECC mode)
- Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16
-
XMP memory module support
-
D5 Bionic Corsa for Infinite Memory Performance
-
AI PerfDrive
Provides optimal and customizable BIOS preset profiles. -
User-Friendly Design & Installation
- WIFI EZ-Plug for quick Wi-Fi antenna installation
- EZ-Latch Plus: PCIe and M.2 slots with quick-release, screwless design
- EZ-Latch Click: M.2 heatsinks with screwless design
-
Sensor Panel Link: onboard video port for hassle-free in-chassis panel setup
-
Intuitive UI & Tools
Friendly UI with Multi-Theme support, AIO fan control, and Q-Flash Auto Scan in BIOS and software. -
Ultra-Fast Storage
- 3 × M.2 slots total
- 1 × CPU-attached PCIe 5.0 x4 M.2
-
2 × chipset PCIe 4.0 x4/x2 M.2
-
Advanced Thermal Design
- VRM Thermal Armor Advanced
-
M.2 Thermal Guard Ext.
-
High-Speed Networking
- Realtek® 2.5GbE LAN
-
Wi-Fi 7 with directional ultra-high gain antenna
-
Extended Connectivity
USB4 Type-C with DP-Alt, HDMI, and DisplayPort outputs.
Specifications
CPU
| Item | Details |
|---|---|
| Socket | LGA1851 |
| CPU Support | Intel® Core™ Ultra Processors |
| L3 Cache | Varies with CPU |
Chipset
| Item | Details |
|---|---|
| Chipset | Intel® B860 Express |
Memory
| Item | 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 |
| Maximum Capacity | Up to 256 GB (64 GB per DIMM) |
| 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 | Support for Extreme Memory Profile (XMP) memory modules |
(Supported memory types, speeds, and module counts may depend on CPU; refer to GIGABYTE’s “Memory Support List”.)
Onboard Graphics
Integrated Graphics Processor – Intel® HD Graphics support (graphics capabilities depend on CPU):
| Port | Max Resolution & Standard |
|---|---|
| USB4® Type-C® (rear) | 3840×2160 @ 144 Hz, DisplayPort output, supports DisplayPort 2.1 |
| DisplayPort (rear) | 3840×2160 @ 144 Hz, supports DisplayPort 2.1 |
| HDMI (rear) | 4096×2160 @ 60 Hz, supports HDMI 2.1 and HDCP 2.3 |
| Front HDMI (internal link) | 1920×1080 @ 30 Hz, supports HDMI 1.4 |
- Supports up to quad-display simultaneously.
Audio
| Item | Details |
|---|---|
| Codec | Realtek® Audio CODEC |
| Audio Type | High Definition Audio |
| Channels | 2/4/5.1/7.1-channel |
| Digital Output | Support for S/PDIF Out |
Channel configuration and jack functionality can be adjusted via audio software.
LAN
| Item | Details |
|---|---|
| Controller | Realtek® 2.5GbE LAN chip |
| Speeds | 2.5 Gbps / 1 Gbps / 100 Mbps |
Wireless Communication
Two possible modules by PCB revision:
PCB rev. 1.0 – Realtek® Wi-Fi 7 RTL8922AE
- 802.11a/b/g/n/ac/ax/be
- 2.4 / 5 / 6 GHz bands
- Wi-Fi 7 11be 160 MHz support
- Bluetooth 5.4
PCB rev. 1.1 – MediaTek Wi-Fi 7 MT7925
- 802.11a/b/g/n/ac/ax/be
- 2.4 / 5 / 6 GHz bands
- Wi-Fi 7 11be 160 MHz support
- Bluetooth 5.4
(Actual throughput depends on environment and equipment. Wi‑Fi 7 features require Windows 11 SV3; no Windows 10 driver. 6 GHz availability depends on local regulations.)
Expansion Slots
From CPU:
| Slot | Interface | Details |
|---|---|---|
| PCIEX16 | PCIe 5.0 | 1 × PCI Express x16 slot, runs at x16. Supports a graphics card or an NVMe SSD only. |
(If only one graphics card is used, install it in PCIEX16.)
From Chipset:
| Slot | Interface | Details |
|---|---|---|
| PCIEX1_1, PCIEX1_2 | PCIe 4.0 | 2 × PCI Express x16 slots, run at x1 |
Storage
From CPU:
| Connector | Type | Support |
|---|---|---|
| M2A_CPU | M.2 | Socket 3, M key, type 25110/22110/2580/2280 PCIe 5.0 x4/x2 SSD |
From Chipset:
| Connector | Type | Support |
|---|---|---|
| M2Q_SB, M2N_SB | M.2 | Socket 3, M key, type 22110/2280 PCIe 4.0 x4/x2 SSD |
| SATA | 4 × SATA | 4 × SATA 6Gb/s connectors, RAID 0/1/5/10 for SATA devices |
USB
From CPU:
- 1 × USB4® Type-C® port on rear panel
From Chipset:
- 1 × USB Type-C® port with USB 3.2 Gen 2 (via internal header)
- 2 × USB 3.2 Gen 2 Type-A ports (red, rear)
- 2 × USB 3.2 Gen 1 ports (via internal header)
From Chipset + USB 3.2 Gen 1 Hub:
- 4 × USB 3.2 Gen 1 ports (rear)
From Chipset + 2 × USB 2.0 Hubs:
- 8 × USB 2.0/1.1 ports (4 rear, 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 (USB 3.2 Gen 2)
- 1 × USB 3.2 Gen 1 header
- 2 × USB 2.0/1.1 headers
- 1 × Trusted Platform Module header (for GC-TPM2.0 SPI / GC-TPM2.0 SPI 2.0 / GC-TPM2.0 SPI V2)
- 1 × HDMI port (Sensor Panel Link; actual support may vary by CPU)
- 1 × power button
- 1 × reset button
- 1 × Q-Flash Plus button
- 1 × reset jumper
- 1 × Clear CMOS jumper
Back Panel Connectors
- 1 × USB4® Type-C® port (DisplayPort support; actual support may vary by CPU)
- 2 × USB 3.2 Gen 2 Type-A ports (red)
- 4 × USB 3.2 Gen 1 ports
- 4 × USB 2.0/1.1 ports
- 1 × DisplayPort (actual support may vary by CPU)
- 1 × HDMI port (actual support may vary by CPU)
- 2 × antenna connectors (2T2R)
- 1 × RJ-45 LAN port
- 1 × optical S/PDIF Out
- 2 × audio jacks
I/O Controller & Monitoring
| Item | Details |
|---|---|
| Controller | iTE® I/O Controller Chip |
| Monitoring | Voltage, temperature, fan speed, water flow |
| Warnings | Fan fail warning |
| Control | Fan speed control* |
Fan/pump speed control support depends on the installed fan/pump.
BIOS
| Item | Details |
|---|---|
| Flash | 1 × 256 Mbit flash |
| BIOS Type | AMI UEFI BIOS (licensed) |
| Standards Support | PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0 |
Unique Features
- Support for GIGABYTE Control Center (GCC)*
- Support for Q-Flash
- Support for Q-Flash Plus
- Support for Smart Backup
Available GCC applications and functions vary by model and specifications.
Bundled Software
- Norton® Internet Security (OEM version)
- LAN bandwidth management software
Operating System
- Support for Windows 11 64-bit
Form Factor
| Item | Details |
|---|---|
| Form Factor | ATX |
| Dimensions | 30.5 cm × 24.4 cm |
