


Micro-ATX motherboard with Intel LGA1851 support, DDR5 memory, PCIe 5.0, and 2.5GbE LAN for modern PC builds.
The GIGABYTE B860M DS3H motherboard is built to support Intel® Core™ Ultra processors (Series 2) on the LGA1851 platform, delivering a balance of performance, connectivity, and reliability for modern PC builds. Designed with DDR5 memory support up to 9066 MT/s (overclocked), it enables high-speed data processing and system responsiveness. The board features PCIe 5.0 support for next-generation GPUs and storage devices, along with dual M.2 slots for high-speed SSDs. Integrated 2.5GbE LAN ensures fast networking, while advanced thermal design and Ultra Durable components maintain system stability under load. With user-friendly BIOS features, Q-Flash Plus, and extensive connectivity options, it is suitable for gaming, productivity, and everyday computing setups.
Supports Intel® Core™ Ultra processors (LGA1851 socket)
DDR5 memory support up to 9066 MT/s (OC)
PCIe 5.0 x16 slot for next-generation GPUs
Dual M.2 slots (PCIe 5.0 + PCIe 4.0)
2.5GbE LAN for high-speed networking
HDMI and dual DisplayPort outputs
Q-Flash Plus and user-friendly BIOS features
Category | Specification | Details |
|---|---|---|
CPU | Socket | LGA1851 (Intel® Core™ Ultra Processors) |
Chipset | Platform | Intel® B860 Express Chipset |
Memory | Type | DDR5 DIMM |
Capacity | Up to 256GB (4 slots) | |
Speed | Up to 9066 MT/s (OC) | |
Architecture | Dual Channel | |
Support | XMP, Non-ECC, ECC (non-ECC mode) | |
Graphics | Outputs | 1× HDMI (4K@60Hz), 2× DisplayPort (4K@144Hz) |
Multi-Display | Up to 3 displays | |
Audio | Codec | Realtek® HD Audio |
Channels | 2/4/5.1/7.1-channel | |
LAN | Ethernet | Realtek® 2.5GbE LAN |
Expansion Slots | PCIe x16 | 1× PCIe 5.0 x16 |
PCIe Slots | 2× PCIe 4.0 x1 | |
Storage | M.2 Slots | 2 (1× PCIe 5.0, 1× PCIe 4.0) |
SATA | 4× SATA 6Gb/s | |
RAID | RAID 0/1/5/10 | |
USB (Rear + Internal) | USB 3.2 Gen2 | 1× Type-A |
USB 3.2 Gen1 | 5 ports | |
USB 2.0 | 7 ports | |
USB Type-C | 1× (internal header) | |
Internal I/O | Power Connectors | 24-pin ATX, 8-pin CPU |
Cooling Headers | CPU fan, system fan, pump headers | |
RGB Headers | 3× ARGB Gen2, 1× RGB | |
Back Panel I/O | Ports | PS/2, HDMI, 2× DP, USB ports, RJ-45, audio jacks |
BIOS | Type | AMI UEFI BIOS (256 Mbit) |
Monitoring | Features | Voltage, temperature, fan speed, pump monitoring |
Software | Utilities | GIGABYTE Control Center, Q-Flash, Smart Backup |
OS Support | Compatibility | Windows 11 / Windows 10 (64-bit) |
Form Factor | Size | Micro ATX (24.4 × 24.4 cm) |
Build Features | Design | Ultra Durable, Hybrid VRM, M.2 Thermal Guard |
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