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ATX motherboard, black PCB, silver VRM heatsinks, reinforced PCIe slot, three M.2 heatsinks, rear I/O shield pre-installed

ASUS

ASUS PRIME B860-PLUS Intel B860 LGA 1851 ATX motherboard DDR5

SKU CH-CQN0-R9K00

Supports Intel Core Ultra 2nd generation processors on LGA 1851 with DDR5, PCIe 5.0 x16 SafeSlot, USB 20Gbps, 2.5Gb Ethernet, three M.2 slots and robust 80A power stages

  • CPU Socket TypeLGA 1851
  • Stable power delivery for Intel Core Ultra processors with 80A power stages
  • Reliable cooling under load via VRM heatsinks, thermal pads and M.2 heatsink
  • Fast peripheral transfers through USB 20Gbps interface
  • High-speed graphics and storage bandwidth with PCIe 5.0 slot
  • Wired network headroom for gaming and streaming via 2.5Gb Ethernet

ASUS PRIME B860-PLUS ATX motherboard

The ASUS PRIME B860-PLUS is an ATX motherboard built for Intel Core Ultra processors (2nd generation) on the LGA 1851 socket. It uses a 6-layer PCB with Digi+ VRM digital power control and multiple 80A power supply modules for stable operation. The board supports DDR5 memory and includes a PCIe 5.0 x16 SafeSlot for graphics cards.

Connectivity and DIY features

This board suits builders who want a USB 20Gbps port, a front-panel USB 5Gbps Type-C connection, and 2.5Gb Ethernet on a standard ATX layout. Three M.2 slots provide storage expansion, while the pre-installed I/O backplate and Q-LED troubleshooting lights simplify assembly. Buyers needing Wi-Fi or additional rear USB ports should look elsewhere.

Power delivery specification

The power delivery uses 80A modules in an 8+1+1+1+1 configuration across the VRM, backed by a 6-layer PCB and digital voltage control. This specification determines whether the board can sustain the current draw of your chosen processor under load.

Highlights

  • Stable power delivery for Intel Core Ultra processors with 80A power stages
  • Reliable cooling under load via VRM heatsinks, thermal pads and M.2 heatsink
  • Fast peripheral transfers through USB 20Gbps interface
  • High-speed graphics and storage bandwidth with PCIe 5.0 slot
  • Wired network headroom for gaming and streaming via 2.5Gb Ethernet

Specifications

CPU Socket TypeLGA 1851

Questions about this item

Will my existing PCIe 5.0 x16 graphics card fit the SafeSlot on this board?

Yes, the SafeSlot is a PCIe 5.0 x16 slot reinforced for heavier cards, so any PCIe 5.0 x16 GPU will seat securely.

How can I confirm the 2.5 Gb Ethernet is active after I build the system?

Check the network adapter properties in Windows or run ethtool in Linux; the link speed should read 2.5 Gbps when connected to a 2.5 Gb switch.

Does the box include an M.2 heatsink for the third M.2 slot or must I buy one separately?

The board ships with one M.2 heatsink pre-installed; additional heatsinks for the other two M.2 slots are not included and must be purchased separately.

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