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Dark green mATX board with silver heatsinks and black slots

GIGABYTE

GIGABYTE B860M D3HP Intel motherboard

SKU CH-1R48-T28YQ MPN B860M D3HP

Micro-ATX board for Intel Core Ultra Series 2 on LGA 1851 with four DDR5 slots up to 256 GB, PCIe 5.0 x16, two M.2 2280 slots, USB-C header and 1 GbE LAN

  • CPU Socket TypeLGA 1851
  • CPU TypeIntel Core Ultra Processors (Series 2)
  • ChipsetIntel B860
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 5600 / DDR5 6400 / DDR5 6600 / DDR5 6800 / DDR5 7000 /
  • Maximum Memory Supported256GB

Option B860M D3HP

Struck-through versions exist but are not stocked here.

  • Supports Intel Core Ultra Series 2 processors via LGA 1851 socket
  • DDR5 memory up to 9066 MT/s across four slots with 256GB maximum capacity
  • PCIe 5.0 graphics slot delivers 16 lanes for high-speed GPU performance
  • Two M.2 2280 slots provide PCIe 4.0 x4 storage connectivity
  • 1GbE LAN and USB 3.2 Gen 1 Type-C header enable fast wired networking and peripheral connections

Socket and chipset

The GIGABYTE B860M D3HP is an mATX motherboard built for Intel Core Ultra Series 2 processors on the LGA 1851 socket with the B860 chipset. It targets builders who want a compact board with modern connectivity for gaming or productivity systems.

Memory capacity and headroom

Four DDR5 slots support up to 256 GB in dual-channel mode with XMP 3.0 profiles ranging from 5600 to 9066 MT/s. The board runs JEDEC speeds comfortably and scales toward the upper end of the validated range when paired with capable modules and cooling.

EZ-Latch M.2 and USB-C header

A tool-free EZ-Latch mechanism secures both M.2 2280 slots that operate at PCIe 4.0 x4 or x2 for NVMe SSDs. The front-panel USB-C header delivers USB 3.2 Gen 1 speeds for modern cases, while the rear I/O includes HDMI, DisplayPort, three USB 3.2 Gen 1 ports and 1 GbE LAN.

Highlights

  • Supports Intel Core Ultra Series 2 processors via LGA 1851 socket
  • DDR5 memory up to 9066 MT/s across four slots with 256GB maximum capacity
  • PCIe 5.0 graphics slot delivers 16 lanes for high-speed GPU performance
  • Two M.2 2280 slots provide PCIe 4.0 x4 storage connectivity
  • 1GbE LAN and USB 3.2 Gen 1 Type-C header enable fast wired networking and peripheral connections

Specifications

BrandGIGABYTE
ModelB860M D3HP
CPU Socket TypeLGA 1851
CPU TypeIntel Core Ultra Processors (Series 2)
ChipsetIntel B860
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 5600 / DDR5 6400 / DDR5 6600 / DDR5 6800 / DDR5 7000 / DDR5 7200 / DDR5 7400 / DDR5 7600 / DDR5 7800 / DDR5 7900 / DDR5 7950 / DDR5 8000 / DDR5 8200 / DDR5 8266 / DDR5 8400 / DDR5 8600 / DDR5 8800 / DDR5 9066
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP 3.0
Memory FeatureDual 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
PCI Express 5.0 x16CPU:
- 1 x PCI Express x16 slot, supporting PCIe 5.0 and running at x16
* The PCIEX16 slot can only support a graphics card or an NVMe SSD.
PCI Express 4.0 x16Chipset:
- 2 x PCI Express x1 slots, supporting PCIe 3.0 and running at x1
Serial ATA (SATA)4 x SATA 6Gb/s
M.2CPU:
- 1 x M.2 connector (Socket 3, M key, type 2280 PCIe 4.0 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)(M2Q_SB)
SATA RAIDRAID 0, RAID 1, RAID 5, and RAID 10 support for SATA storage devices
Audio Channels7.1 Channels
Max LAN Speed1Gbps
Back I/O Ports3 x USB 2.0/1.1 ports
1 x PS/2 keyboard/mouse port
1 x DisplayPort
1 x HDMI port
3 x USB 3.2 Gen 1 ports
1 x RJ-45 port
3 x audio jacks
Onboard USB1 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
Other Connectors1 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
2 x addressable RGB Gen2 LED strip headers
1 x RGB LED strip header
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 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 Clear CMOS jumper
BIOS Feature1 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
Form FactorMicro ATX
Dimensions (W x L)9.6" x 9.6"
Power Pin1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
Shipping weight1.02 kg
Package size267 × 267 × 51 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will my existing DDR5-6400 memory work with the B860M D3HP's four 288-pin slots and dual-channel architecture?

Yes, DDR5-6400 is in the supported speed list and the board runs four slots in dual-channel mode up to 256 GB total.

How can I confirm the PCIe 5.0 x16 slot is running at full x16 speed after I install a graphics card?

Check the BIOS PCIe configuration screen or a hardware monitor such as GPU-Z; both will report the active link width and generation for the PCIEX16 slot.

Does the box include SATA cables for the four 6 Gb/s ports and a bracket for the M.2 EZ-Latch heatsink?

The retail package contains the motherboard, I/O shield, two SATA 6 Gb/s cables, M.2 screws and a quick-install guide; no separate EZ-Latch bracket is needed as the latch is built into the board.

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