Technical Snapshot

The asus PRIME B860-PLUS is a ATX motherboard based on the B860 chipset for Intel LGA1851 processors. It supports DDR5 memory with up to 256 GB across 4 DIMM slots, 2.5GbE LAN, and 3 M.2 slots.

Use Case
Desktop PC builds, gaming, workstation
Compatibility
Intel LGA1851 processors
Category
ATX Motherboard — B860 Chipset
ASUS

asus PRIME B860-PLUS

B860 · Intel LGA1851 · ATX · DDR5 up to 256 GB

CPU socket: Intel LGA1851. Compatible with Intel Core desktop processors.
SocketIntel LGA1851
Maximum supported memory: 256 GB DDR5 across 4 DIMM slots.
Max RAM256 GB
B860 chipset with PCIe and M.2 expansion slots.
ChipsetB860
ATX form factor — standard tower compatible.
Form FactorATX
MPN90MB1K50-M0EAY0
CategoryMotherboards
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Price Trend

Last updated: 2026-07-05

Note: this chart shows historical reference pricing for trend insight only — it is not a live quote. To place an order or get current pricing, please contact us or your dedicated sales manager.

Connectivity & Expansion

PCIe x161
M.2 Slots3
SATA Ports4
LAN2.5GbE

Full Specifications

ChipsetB860
SocketIntel LGA1851
Form FactorATX
Memory TypeDDR5
DIMM Slots4
Max RAM256 GB
PCIe x16 Slots1
M.2 Slots3
SATA Ports4
LAN2.5GbE
RGBYes
SeriesPRIME

Support & Downloads

Latest Firmware & DriversVisit asus for the latest updates
asus Downloads →
asus PRIME B860-PLUS DocumentationPDF · Installation guide and specifications
asus Support →
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Frequently Asked Questions

What socket does the asus PRIME B860-PLUS use?

The asus PRIME B860-PLUS uses the Intel LGA1851 socket, compatible with Intel Core desktop processors.

How much RAM does the asus PRIME B860-PLUS support?

The asus PRIME B860-PLUS supports up to 256 GB of DDR5 memory across 4 DIMM slots.

Does the asus PRIME B860-PLUS have Wi-Fi?

No, the asus PRIME B860-PLUS does not include built-in Wi-Fi.

How many M.2 slots does the asus PRIME B860-PLUS have?

The asus PRIME B860-PLUS has 3 M.2 slots for NVMe SSD storage.

What chipset does the asus PRIME B860-PLUS use?

The asus PRIME B860-PLUS is built on the B860 chipset, offering ATX form factor design for Intel platforms.

JSON-LD Structured Data — Product + FAQ + Breadcrumb
Product: asus PRIME B860-PLUS
MPN: 90MB1K50-M0EAY0
Schemas: Product + BreadcrumbList + FAQPage
Properties: 12 additionalProperty entries