MSI PRO B860-P WIFILGA 1851 · DDR5 · ATX · MSI global specification- M.2 storage positions
- 3This one: 2
MOTHERBOARDS
ASUS PRIME B860-PLUS WIFI
LGA1851 · ATX
- CPU socket
- LGA1851
- Chipset
- Intel B860
- Form factor
- ATX: 305 × 244 mm
An ATX LGA1851 motherboard with 4 DDR5 memory slots, 2 M.2 storage positions and Wi-Fi 6E alongside wired Ethernet.
Prices & buying options
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THE ACTUAL PRODUCT
Compare with MSI PRO B860-P WIFI
Specifications checked 10 Sept 2026Manufacturer specifications, not a hands-on test.
The nearest checked motherboards by key specifications, with what differs from the ASUS PRIME B860-PLUS WIFI. The first matches the Compare button above.
MSI PRO B860-P WIFILGA 1851 · DDR5 · ATX · MSI global specification
MSI MAG B860 TOMAHAWK WIFILGA 1851 · DDR5 · ATX · MSI global specification- M.2 storage positions
- 3This one: 2
ASUS TUF GAMING B860-PLUS WIFITUF GAMING B860-PLUS WIFI · LGA1851 · ATX · ASUS global specification- M.2 storage positions
- 3This one: 2
Key strengths
2 M.2 storage positions and 4 SATA connectors provide several drive-connection options.
1 × Realtek 2.5Gb Ethernet and Wi-Fi 6E offer both wired and wireless network connections.
Before you buy
Two M.2 storage positions are available: the first supports PCIe 5.0 x4 and the second PCIe 4.0 x4.
Check the exact processor, BIOS and memory kit before purchase. The 256 GB ceiling and listed overclocking profiles are configuration limits, not a tested build guarantee.
Works with
Products in this catalogue that list the same socket or memory type as the ASUS PRIME B860-PLUS WIFI. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.
Start a build with thisOpens My setups with the ASUS PRIME B860-PLUS WIFI in place and checks each part you addEvery specification. With its source.
Full specifications
Exact configuration: PRIME B860-PLUS WIFI · LGA1851 · ATX · ASUS global specification
24 specifications in 9 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Platform & board
4 items
- CPU socket
- LGA1851Source
- Chipset
- Intel B860Source
- Form factor
- ATX: 305 × 244 mm
Check case mounting positions and connector clearance.
Source - Specification market
- ASUS global documentation
UK and US buying links are searches, not proof of stock, identical regional wireless modules, bundles or warranty. Confirm the exact model and part identifier with the retailer.
Source
Memory
4 items
- DIMM slots
- 4
Physical DDR5 module positions; this count is not a guarantee of capacity or profile speed.
Source - Maximum listed memory
- 256 GB
Manufacturer capacity ceiling; check CPU support, BIOS and the validated DIMM population.
Source - Memory type, slots and limit
- 4 DDR5 DIMM slots; up to 256 GB; dual channel; Intel XMP
Supported capacity, module population and profile speeds depend on the exact CPU, installed BIOS and validated memory kit. Profile support does not guarantee an overclock.
Source - Listed memory overclocking profiles
- Up to 8666+ MT/s (OC)
These are manufacturer-listed overclocking configurations, not guaranteed stock transfer rates or tested performance. CPU family and DIMM layout remain material.
Source
Expansion slots
1 item
- PCIe expansion configuration
- Intel Core Ultra Processors (Series 2) 1 × PCIe 5.0 × 16 slot (PCIEX16(G5)) Intel B860 Chipset 1 × PCIe 4.0 × 16 slot (PCIEX16(G4)_3) (supports x4 mode) 3 × PCIe 4.0 × 16 slots (PCIEX16(G4)_1/2/4) (support x1 mode) - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals.
Two M.2 storage positions are available: the first supports PCIe 5.0 x4 and the second PCIe 4.0 x4.
Source
Storage
3 items
- M.2 storage positions
- 2
Two M.2 storage positions are available: the first supports PCIe 5.0 x4 and the second PCIe 4.0 x4.
Source - SATA storage ports
- 4
SATA 6 Gb/s; check the source for lane sharing and drive power requirements.
Source - Storage interfaces
- 2 M.2 storage positions; 4 SATA 6 Gb/s ports
Two M.2 storage positions are available: the first supports PCIe 5.0 x4 and the second PCIe 4.0 x4.
Source
USB & rear connections
3 items
- Rear connections
- 1 × USB 20Gbps port (1 × USB Type-C with DP Alt mode) 2 × USB 10Gbps ports (2 × Type-A) 1 × USB 5Gbps port (1 × Type-A) 4 × USB 2.0 ports (4 × Type-A) 1 × DisplayPort 1 × HDMI port 1 × Wi-Fi module 1 × Realtek 2.5Gb Ethernet port 3 × Audio jacks
Connector count and listed modes describe the rear panel. USB-C display and charging capability depends on the specific port; display output also depends on the CPU and source configuration.
Source - Internal USB connections
- Front USB (Total 5 ports) 1 × USB 5Gbps connector (1 × USB Type-C ) 1 × USB 5Gbps header supports additional 2 USB 5Gbps ports 1 × USB 2.0 header supports 2 additional USB 2.0 ports USB Type-C power delivery output: max. 5V/3A
Headers need compatible case ports or accessories; they are not additional rear sockets. Follow the stated power and cable requirements.
Source - Integrated-graphics display connections
- 1 × DisplayPort 1 × HDMI port 1 × USB 20Gbps port (USB Type-C) supports DisplayPort video output Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates. Supports max. 4K@60Hz as specified in DisplayPort 1.4. Supports 4K@60Hz as specified in HDMI 2.1. Supports max. 4K@120Hz as specified in DisplayPort 1.4. VGA resolution support depends on processors' or graphic cards' resolution. While installing the operating system, please ensure that your monitor is connected to the HDMI port on the back I/O panel or to a discrete graphics card.
These are manufacturer-listed configurations, not measured display performance. A compatible processor with graphics, suitable cable and supported display mode are required.
Source
Networking
4 items
- Network interfaces
- 1 × Realtek 2.5Gb Ethernet; Wi-Fi 6E; Bluetooth 5.3 listed
Six-gigahertz use is subject to local rules and the listed operating-system requirements. The manufacturer notes that Bluetooth versions can vary by module.
Source - Wired Ethernet
- 1 × Realtek 2.5Gb Ethernet
Link-rate capability; real throughput depends on the connected network, cabling and workload.
Source - Included Wi-Fi
- Yes
Wi-Fi 6E. Six-gigahertz use is subject to local rules and the listed operating-system requirements. The manufacturer notes that Bluetooth versions can vary by module.
Source - Listed Bluetooth version
- 5.3
The manufacturer notes that the Bluetooth version can depend on the installed wireless module.
Source
Audio
1 item
- Audio hardware
- Realtek codec; manufacturer-listed 7.1-channel configuration
Channel configuration and spatial-audio support depend on the connected outputs, chassis audio wiring and software. A codec name is not an independent sound-quality measurement.
Source
Power, cooling & lighting
1 item
- Motherboard power connections
- 1 × 24-pin Main Power connector 1 × 8-pin +12V CPU Power connector
Check the complete connector list and the PSU cable type. Additional graphics-card, front-panel fast-charge and cooling connections can have separate requirements.
Source
BIOS, software & diagnostics
3 items
- CPU support / BIOS source
- Intel Core Ultra desktop processors (Series 2). Verify the exact CPU and minimum BIOS using ASUS support before buying.
A shared socket and processor-family listing do not confirm that a particular BIOS revision supports every processor in that family.
Source - Firmware storage
- 2 × 128 Mb Flash ROM, UEFI AMI BIOS
Flash-ROM capacity does not identify the BIOS version installed on a retail board.
Source - Listed operating systems
- Windows 11 (22H2 & later), Windows 10 64-bit(21H2 & later)
Individual features and drivers can have newer operating-system requirements, particularly wireless networking.
Source
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