ASUS PRIME B860-PLUS-CSMUK manufacturer specification · PRIME B860-PLUS-CSM- Chipset
- Intel® B860 ChipsetThis one: Intel® Z890 Chipset
MOTHERBOARDS
ASUS Z890 AYW GAMING WIFI W
UK manufacturer specification
- CPU socket
- LGA1851
- Chipset
- Intel® Z890 Chipset
- Form factor and dimensions
- ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
Z890 AYW GAMING WIFI W motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.
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THE ACTUAL PRODUCT
Compare with ASUS PRIME B860-PLUS-CSM
Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.
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- Intel® W880 ChipsetThis one: Intel® Z890 Chipset
ASUS PRIME B860-PLUS WIFI-CSMGlobal manufacturer specification · PRIME B860-PLUS WIFI-CSM- Chipset
- Intel® B860 ChipsetThis one: Intel® Z890 Chipset
Key strengths
Published motherboard interfaces and configuration are available from the exact-model ASUS specification source.
Before you buy
Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.
Works with
Products in this catalogue that list the same socket or memory type as the ASUS Z890 AYW GAMING WIFI W. 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 Z890 AYW GAMING WIFI W in place and checks each part you addEvery specification. With its source.
Full specifications
Exact configuration: UK manufacturer specification · Z890 AYW GAMING WIFI W
13 specifications in 9 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Platform & board
3 items
Memory
1 item
- Memory type, slots and limit
- 4 x DIMM slots, max. 256GB, DDR5 Supports up to 9066+MT/s (OC), Non-ECC, Un-buffered,Clocked Unbuffered DIMM (CUDIMM)* Dual channel memory architecture DIMM Fit Supports Intel® Extreme Memory Profile (XMP) memory module ASUS Enhanced Memory Profile III(AEMPIII) * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market. ** Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.Source
Expansion slots
1 item
- Expansion slots and restrictions
- Intel® Core™ Ultra Processors(Series 2)* 1 x PCIe 5.0 x16 slot Intel® Z890 Chipset 2 x PCIe 4.0 x16 slots (supports x4 mode) 1 x PCIe 4.0 x16 slot (supports 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/download-center/ for the list of supported peripherals.Source
Storage
1 item
- Storage interfaces and restrictions
- Total supports 4 x M.2 slots and 4 x SATA 6Gb/s ports* Intel® Core™ Ultra Processors(Series 2) * M.2_1 slot (Key M), type 2280/22110 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) Intel® Z890 Chipset M.2_3 slot (Key M), type 2280/22110 (supports PCIe 4.0 x4 mode) M.2_4 slot (Key M), type 2280 (supports PCIe 4.0 x4 & SATA modes) 4 x SATA 6Gb/s ports * Intel® Rapid Storage Technology supports PCIe RAID 0/1/5/10, SATA RAID 0/1/5/10, M.2 slot from CPU only supports RAID 0/1/5.Source
USB & rear connections
2 items
- USB ports and headers
- Rear USB (Total 8 ports) 1 x USB 20Gbps port (1 x USB Type-C® with DP Alt mode)* 3 x USB 10Gbps ports (3 x Type-A) 4 x USB 2.0 ports (4 x Type-A)*** Front USB (Total 9 ports) 1 x USB 20Gbps connector (supports USB Type-C® with up to 30W PD/PPS Fast-charge )** 2 x USB 5Gbps headers support 4 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports*** * USB Type-C® power delivery output: max. 5V/3A ** USB Type-C® power delivery output: 5V/9V max. 3A, 12V max 2.5A, 15V max. 2.0A *** USB_E1 port, USB_E2 port, USB_E3 port and USB_E4 port share the bandwidth. USB_E5 port, USB_E6 port and USB_E7 port share the bandwidth.Source
- Rear-panel ports
- 1 x USB 20Gbps port (1 x USB Type-C® with DP Alt mode) 3 x USB 10Gbps ports (3 x Type-A) 4 x USB 2.0 ports (4 x Type-A) 1 x DisplayPort 1 x Wi-Fi module 1 x Realtek 2.5Gb Ethernet port 3 x Audio jacks 1 x BIOS FlashBack™ buttonSource
Networking
1 item
- Network interfaces and requirements
- 1 x Realtek 2.5Gb Ethernet ASUS LANGuard; Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Supports 2.4/5GHz frequency band Bluetooth® v5.3* * The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.Source
Audio
1 item
- Audio interfaces
- Realtek 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.Source
Power, cooling & lighting
1 item
- Internal headers and connectors
- Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 4 x 4-pin Chassis Fan headers Power Related 1 x 24-pin Main Power connector 2 x 8-pin +12V CPU Power connectors Storage Related 4 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 20Gbps connector (supports USB Type-C® with up to 30W PD/PPS Fast-charge ) 2 x USB 5Gbps headers support 4 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Miscellaneous 3 x Addressable Gen2 headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x S/PDIF Out header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin Front Panel System header 1 x Thunderbolt™ (USB4®) HeaderSource
BIOS, software & diagnostics
2 items
- CPU support and BIOS requirements
- Supports Intel® Core™ Ultra Processors(Series 2), LGA1851* Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0** * Refer to https://www.asus.com/support/download-center/ for CPU support list. ** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types. BIOS: 256(128+128) Mb Flash ROM, UEFI AMI BIOS
Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor.
Source - Listed operating systems
- Windows 11(22H2 & later), Windows 10 64-bit(21H2 & later)Source
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