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GIGABYTE B860M DS3H microATX motherboard, dark PCB, silver heatsinks, LGA 1851 socket, four DDR5 slots, single PCIe x16

GIGABYTE

GIGABYTE B860M DS3H LGA 1851 microATX DDR5 Intel motherboard

SKU CH-ARPM-6NVTM

Supports Intel Core Ultra LGA 1851 CPUs with four DDR5 slots up to 256 GB and speeds of 5600–9066 MT/s

  • ProcessorLGA 1851
  • Form factorMicroATX
  • CPU socketLGA 1851
  • Supported memoryDDR5
  • Ready for Intel Core Ultra on LGA 1851 socket
  • Compact microATX board fits smaller gaming builds
  • DDR5 support up to 9066 MT/s with 256 GB capacity
  • 1-channel audio for immersive game sound
  • One PCIe x16 plus two M.2 slots for GPU and storage

Ready for Intel Core Ultra

This microATX board uses the LGA 1851 socket and B860 chipset to support Intel Core Ultra processors. It targets builders who want a compact foundation for gaming or productivity systems. Four DDR5 slots and a single PCIe x16 slot cover the essentials without excess.

DDR5 memory up to 9066 MT/s

The board runs DDR5 at speeds from 5600 to 9066 MT/s and holds up to 256 GB across four slots. That ceiling decides whether the platform matches your workload, especially for memory-heavy gaming or content creation. No other memory standard is supported.

Fits microATX cases with core I/O

The microATX form factor slips into smaller chassis while delivering 7.1-channel audio, three USB 2.0 Type-A ports, two USB 3.2 Type-A ports and one USB 3.2 Type-C port. Two M.2 standoffs and two SATA cables are included for storage expansion. Wi-Fi is not onboard, so a separate adapter or wired link is required.

How it compares

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

Price $90.99
Cheaper than about 54% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameGIGABYTE
Processor
ProcessorLGA 1851
CPU socketLGA 1851
Memory
Supported memoryDDR5
Size & build
Form factorMicroATX

Questions about this item

What does the 256 GB maximum memory mean for a build?

You can populate all four DDR5 slots up to a combined 256 GB, allowing very large workloads or heavy multitasking.

What does the single PCIe x16 slot limit in practice?

Only one full-length graphics card or add-in card can be installed; a second x16 device is not supported.

What case and mounting hardware does the microATX board need?

A case with microATX or larger standoff positions; the included M.2 screws and standoff secure M.2 drives.

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