ASUS TUF GAMING B860M-PLUS WIFITUF GAMING B860M-PLUS WIFI · LGA1851 · Micro-ATX · ASUS global specification- Chipset
- Intel B860This one: Intel Z890
- SATA storage ports
- 4This one: 6
MOTHERBOARDS
ASUS PRIME Z890M-PLUS WIFI
LGA1851 · Micro-ATX
- CPU socket
- LGA1851
- Chipset
- Intel Z890
- Form factor
- Micro-ATX: 244 × 244 mm
A Micro-ATX LGA1851 motherboard with 4 DDR5 memory slots, 3 M.2 storage positions and Wi-Fi 7 alongside wired Ethernet.
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THE ACTUAL PRODUCT
Compare with ASUS TUF GAMING B860M-PLUS 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 Z890M-PLUS WIFI. The first matches the Compare button above.
ASUS TUF GAMING B860M-PLUS WIFITUF GAMING B860M-PLUS WIFI · LGA1851 · Micro-ATX · ASUS global specification
ASUS TUF GAMING B860M-PLUSTUF GAMING B860M-PLUS · LGA1851 · Micro-ATX · ASUS global specification- Chipset
- Intel B860This one: Intel Z890
- SATA storage ports
- 4This one: 6
ASUS ROG STRIX B860-G GAMING WIFI90MB1JF0-M0AAY0 · LGA1851 · Micro-ATX · ASUS global specification- Chipset
- Intel B860This one: Intel Z890
- M.2 storage positions
- 4This one: 3
Key strengths
3 M.2 storage positions and 6 SATA connectors provide several drive-connection options.
1 × Realtek 2.5Gb Ethernet and Wi-Fi 7 offer both wired and wireless network connections.
Before you buy
M.2_1 supports PCIe 5.0 x4 and the other two positions use PCIe 4.0 x4. All three positions list 2280 drive length. Six SATA connectors are listed separately.
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 Z890M-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 Z890M-PLUS WIFI in place and checks each part you addEvery specification. With its source.
Full specifications
Exact configuration: PRIME Z890M-PLUS WIFI · LGA1851 · Micro-ATX · ASUS global specification
25 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 Z890Source
- Form factor
- Micro-ATX: 244 × 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 Intel Z890 Chipset 1 × PCIe 4.0 × 16 slot (supports x4 mode) 2 × PCIe 4.0 × 16 slots (support x1 mode) Please check the PCIe bifurcation table on the support site ( https://www.asus.com/support/FAQ/1037507/ ). - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported peripherals.
M.2_1 supports PCIe 5.0 x4 and the other two positions use PCIe 4.0 x4. All three positions list 2280 drive length. Six SATA connectors are listed separately.
Source
Storage
3 items
- M.2 storage positions
- 3
M.2_1 supports PCIe 5.0 x4 and the other two positions use PCIe 4.0 x4. All three positions list 2280 drive length. Six SATA connectors are listed separately.
Source - SATA storage ports
- 6
SATA 6 Gb/s; check the source for lane sharing and drive power requirements.
Source - Storage interfaces
- 3 M.2 storage positions; 6 SATA 6 Gb/s ports
M.2_1 supports PCIe 5.0 x4 and the other two positions use PCIe 4.0 x4. All three positions list 2280 drive length. Six SATA connectors are listed separately.
Source
USB & rear connections
3 items
- Rear connections
- 1 × USB 20Gbps port (1 × USB Type-C with DP Alt mode) 1 × USB 10Gbps port (1 × Type-A) 4 × USB 5Gbps ports (4 × Type-A) 2 × USB 2.0 ports (2 × Type-A) 1 × DisplayPort 1 × HDMI port 1 × Wi-Fi module 1 × Realtek 2.5Gb Ethernet 3 × Audio jacks 1 × BIOS FlashBack button
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 7 ports) 1 × USB 5Gbps connector (supports USB Type-C ) 1 × USB 5Gbps header supports 2 additional USB 5Gbps ports 2 × USB 2.0 headers support 4 additional USB 2.0 ports USB Type-C power delivery output: max. 5V/3A USB_E1 port, USB_E2 port, USB_E3 port and USB_E4 port share the bandwidth.
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 7 (160 MHz listed); Bluetooth 5.4 listed
Wireless bands and channel widths depend on local rules, the operating system and the installed module. Full Wi-Fi 7 features require Windows 11 24H2 or later where stated by ASUS; Bluetooth versions may 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 7; 160 MHz listed. Wireless bands and channel widths depend on local rules, the operating system and the installed module. Full Wi-Fi 7 features require Windows 11 24H2 or later where stated by ASUS; Bluetooth versions may vary by module.
Source - Listed Bluetooth version
- 5.4
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 1 × 4-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
4 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
- 256 (128+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)
Individual features and drivers can have newer operating-system requirements, particularly wireless networking.
Source - Rear BIOS FlashBack button
- Yes
Use the exact model firmware and follow ASUS instructions; a button does not establish the currently installed BIOS version.
Source
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