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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

  • ProcessorIntel Core Ultra Processors (Series 2)
  • ChipsetIntel B860
  • Form factorMicro ATX
  • CPU socketLGA 1851
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 5600 / DDR5 6400 / DDR5 6600 / DDR5 6800 / DDR5 7000 /

Model B860M D3HP

  • 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.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $109.99
Pricier than about 56% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameGIGABYTE
Model nameB860M D3HP
Processor
ProcessorIntel Core Ultra Processors (Series 2)
CPU socketLGA 1851
ChipsetIntel B860
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryDDR5 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
Max supported RAM256 GB
Memory channelsDual Channel
Memory profilesIntel XMP 3.0
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsCPU:
- 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 and RAID supportRAID 0, RAID 1, RAID 5, and RAID 10 support for SATA storage devices
Audio & video
Sound channels7.1 Channels
Connectivity
Maximum network speed1 Gbit/s
Ports & slots
PCIe 5.0 x16 slotsCPU:
- 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.
PCIe 4.0 x16 slotsChipset:
- 2 x PCI Express x1 slots, supporting PCIe 3.0 and running at x1
Rear panel 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 USB headers1 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
Power
Power connectors1 × 24-pin ATX main power connector
1 × 8-pin ATX 12 V power connector
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
Shipping weight1.02 kg
Package size267 × 267 × 51 mm
More details
BIOS1 × 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

Other versions of this model

5 more in the same range

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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