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Gigabyte B860M DS3H Motherboard Intel B860 LGA1851 Micro-ATX DDR5 PCIe 5.0 M.2 Gen5

Brand:
GigaByte
B860M DS3H 1.0
€160.09 €177.88
€190.51 inc. VAT
Out of stock
Affordable Micro-ATX board for Intel Core Ultra (Series 2) builds with PCIe 5.0 graphics, a Gen5 M.2 slot, DDR5 up to 256GB and 2.5G LAN — Gigabyte's Ultra Durable foundation for everyday gaming and productivity.
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Product Code
04:518949
EAN Code
4719331866709
Manufacturer
GigaByte

Quick Specs

Socket
Intel LGA1851
Chipset
Intel B860
Memory
4x DDR5 · 256GB max
Form Factor
Micro-ATX
PCIe
PCIe 5.0 x16
M.2 Storage
2x M.2 (1x Gen5)
Display
DP 2.1 + Dual HDMI
LAN
2.5G Ethernet
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Gigabyte B860M DS3H Motherboard

A practical Micro-ATX foundation for Intel Core Ultra (Series 2) builds: PCIe 5.0 graphics, a Gen5 M.2 slot, DDR5 memory and 2.5G LAN — Gigabyte's Ultra Durable platform at a sensible price.
LGA1851 · Intel B860 4x DDR5 up to 256GB PCIe 5.0 + Gen5 M.2 DisplayPort 2.1

The Gigabyte B860M DS3H is a Micro-ATX motherboard built around the Intel B860 chipset and the LGA1851 socket, designed for Intel Core Ultra Processors (Series 2). It pairs four DDR5 DIMM slots (up to 256GB) with a PCIe 5.0 x16 graphics slot, a CPU-fed M.2 PCIe 5.0 x4 slot for next-gen NVMe SSDs, plus a chipset M.2 PCIe 4.0 x4 slot and four SATA 6Gb/s ports with RAID support. Display is covered by DisplayPort 2.1 and dual HDMI for triple monitor setups, while networking uses 2.5GbE wired LAN. Q-Flash Plus lets you update the BIOS without a CPU installed — useful for newer Core Ultra revisions.

Compatibility Note: Requires an Intel Core Ultra (Series 2) CPU for LGA1851. DDR5 memory only — DDR4 is not supported. Micro-ATX form factor — verify case clearance. No onboard Wi-Fi (look at B860M DS3H WIFI6E for built-in wireless).
Best For
✓ Budget-conscious Core Ultra (Series 2) builds
✓ Compact Micro-ATX gaming and productivity systems
✓ Builds wanting Gen5 NVMe storage on a sensible board
✓ Wired-LAN setups with triple display via DP 2.1 + dual HDMI

Key Features

 
Intel Core Ultra (Series 2) Ready
LGA1851 socket on the Intel B860 chipset, ready for the latest Core Ultra desktop CPUs with integrated NPU support.
 
PCIe 5.0 GPU + Gen5 M.2
A PCIe 5.0 x16 UD slot for next-gen GPUs and a CPU-direct M.2 PCIe 5.0 x4 slot for the fastest NVMe SSDs, with M.2 thermal guard.
 
DDR5 with XMP Booster
Four DDR5 DIMM slots up to 256GB, with the Gigabyte D5 Bionic Corsa and DDR5 XMP Booster for easy memory tuning.
 
Triple Display + 2.5G LAN
DisplayPort 2.1, plus dual HDMI for up to three displays at once, alongside 2.5GbE wired networking and Q-Flash Plus BIOS recovery.

Technical Specifications

Part Number B860M DS3H (Rev. 1.0)
EAN 4719331866709
CPU Socket Intel LGA1851 (Core Ultra Series 2)
Chipset Intel B860 Express
Form Factor Micro-ATX
Memory 4x DDR5 DIMM, Dual Channel, max 256GB, XMP 3.0 / D5 Bionic Corsa
Expansion Slots 1x PCIe 5.0 x16 (UD Slot) + 2x PCIe 4.0 x1
Storage M2A_CPU PCIe 5.0 x4 (2280) + M2N_SB PCIe 4.0 x4 (2280) + 4x SATA 6Gb/s (RAID 0/1/5/10)
Display Outputs 1x DisplayPort 2.1 + 2x HDMI · up to 3 displays simultaneously (iGPU required)
LAN 2.5GbE Ethernet
Wireless Not included
Rear USB USB 3.2 Gen 2 Type-A + USB 3.2 Gen 1 + USB 2.0
Front USB Headers 1x USB 3.2 Gen 1 Type-C header + USB 3.2 Gen 1 + USB 2.0 headers
Audio Realtek 8-channel HD Audio with high-end audio capacitors
Features Q-Flash Plus, Smart Backup, M.2 Thermal Guard, 3x ARGB headers, 1x RGB header, Debug LEDs, Ultra Durable

Frequently Asked Questions

Which CPUs does the B860M DS3H support?
It uses the Intel LGA1851 socket and supports Intel Core Ultra Processors (Series 2). DDR4 CPUs and older sockets are not compatible. A BIOS update via Q-Flash Plus may be required for newer CPU revisions.
Does it have built-in Wi-Fi?
No — this version is wired-only with 2.5GbE. For built-in Wi-Fi 6E and Bluetooth, choose the B860M DS3H WIFI6E variant instead.
How many M.2 slots does it have and which is PCIe 5.0?
Two M.2 slots: M2A_CPU is PCIe 5.0 x4 (CPU-fed) and M2N_SB is PCIe 4.0 x4 (chipset). Both support 2280 SSDs and have M.2 Thermal Guard.
What is the maximum supported memory?
Up to 256GB DDR5 across four DIMM slots, with XMP 3.0 support and Gigabyte's D5 Bionic Corsa / DDR5 XMP Booster for easier memory overclocking.
Singular Expert Insight
Choose the B860M DS3H if you want a budget-friendly Micro-ATX board for Core Ultra (Series 2) with PCIe 5.0 graphics and a Gen5 M.2 slot. If you need built-in Wi-Fi, look at the B860M DS3H WIFI6E. For more M.2 slots, beefier VRM or Wi-Fi 7, step up to a B860 Gaming X / Aorus Elite class board.

Buyer's Guide

Buy it if
You build a budget-friendly Core Ultra (Series 2) Micro-ATX system and want PCIe 5.0 GPU support plus Gen5 NVMe at a sensible price.
Skip it if
You need built-in Wi-Fi, more than two M.2 slots, USB-C 20Gbps on the rear, or a heavier VRM for high-end Core Ultra OC.
Also consider
B860M DS3H WIFI6E for built-in Wi-Fi 6E + Bluetooth, or B860M Aorus Elite / Gaming X for stronger VRM and more connectivity.

Features - GigaByte - B860M DS3H 1.0

CPU Socket
  • Socket 1851
More Details
Product Code
04:518949
EAN Code
4719331866709
Manufacturer
GigaByte
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