| Basic Information | ||
| Supported CPU | Supports Intel Core Ultra Processors (Series 2), LGA1851 Socket | |
| Chipset | Intel B860 Chipset | |
| BIOS | 256 (128+128) Mb Flash ROM, UEFI AMI BIOS | |
| Form Factor | micro-ATX | |
| Audio | 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. |
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| Expansion Slots | ||
| PCI | Intel Core Ultra Processors(series 2) 1 x PCIe 5.0 x16 slot Intel B860 Chipset 1 x PCIe 4.0 x16 slot (supports x4 mode) 1 x PCIe 4.0 x1 slot |
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| M.2 Socket | Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports Intel Core Ultra Processors (Series 2) M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode) Intel B860 Chipset M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 modes) |
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| Memory | ||
| Maximum Memory | Maximum Memory Capacity 256GB | |
| Slots | 4x DIMM | |
| Supported Memory | Supports up to 8666+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) * 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. |
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| Type | DDR5 | |
| Graphics | ||
| Graphics | 2 x DisplayPort 1 x HDMI port 1 x USB 20Gbps port (USB Type-C) supports DisplayPort video output 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. |
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| Connector & Ports | ||
| HDMI | 1 x HDMI port | |
| USB (s) | Rear USB (Total 8 ports) 1 x USB 20Gbps port (1 x USB Type-C with DP Alt mode) 1 x USB 10Gbps port (1 x Type-A ) 2 x USB 5Gbps ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A) Front USB (Total 5 ports) 1 x USB 10Gbps connector (supports USB Type-C) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 1 x USB 2.0 header supports 2 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. |
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| LAN Port (s) | 1 x Realtek 2.5Gb Ethernet ASUS LANGuard |
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| Supported Storage | Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports Intel Core Ultra Processors (Series 2) M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode) Intel B860 Chipset M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 modes) 4 x SATA 6Gb/s ports |
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| RAID | Intel Rapid Storage Technology supports SATA RAID 0/1/5/10 | |
| Audio | 3 x Audio jacks | |
| Internal I/O Ports | 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 3 x 4-pin Chassis Fan headers Power Related 1 x 24-pin Main Power connector 1 x 8-pin +12V CPU Power connector Storage Related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 10Gbps connector (supports USB Type-C) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 1 x USB 2.0 header supports 2 additionalUSB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 1 x Aura RGB header 1 x Clear CMOS header 1 x Chassis Intrusion 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 System Panel header 1 x Thunderbolt (USB4) header Back Panel I/O Ports 1 x USB 20Gbps port (1 x USB Type-C with DP Alt mode) 1 x USB 10Gbps port (1 x Type-A) 2 x USB 5Gbps ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A ) 2 x DisplayPort 1 x HDMI port 1 x Wi-Fi module 1 x Realtek 2.5Gb Ethernet port 3 x Audio jacks |
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| Display Port (s) | 2 x DisplayPort | |
| TPM (Trusted Platform Module ) | 1 x SPI TPM header (14-1 pin) | |
| Wireless Communication module | Wi-Fi 6E 2x2 Wi-Fi 6E (802.11ax) Supports 2.4/5/6GHz frequency band Bluetooth v5.3 WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later The Bluetooth version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications. |
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| Others | ||
| Special Features | ASUS 5X PROTECTION III - DIGI+ VRM (- Digital power design with DrMOS) - ESD Guards - LANGuard - Overvoltage protection - SafeSlot - Stainless-steel back I/O ASUS Q-Design - Q-Antenna - Q-Dashboard - Q-DIMM - Q-LED Core - Q-Slot ASUS Thermal Solution - M.2 heatsink - VRM heatsink design ASUS EZ DIY - ProCool - Pre-mounted I/O shield Aura Sync - Aura RGB header - Addressable Gen2 headers |
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| Bundled Software | ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - Fan Xpert 2+ - Power Saving ASUS DriverHub ASUS GlideX ASUS CPU-Z Norton 360 for Deluxe (60 Days Free Trial) WinRAR (40 Days Free Trial) UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash - ASUS UEFI BIOS EZ Mode - ASUS MyHotkey |
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| Warranty Information | ||
| Warranty | 3 Year | |
The ASUS PRIME B860M-A WIFI-CSM is a commercial-grade, advanced AI PC-ready micro-ATX motherboard engineered for productivity, content creation, and mainstream gaming. Operating on the Intel B860 chipset and featuring the new LGA1851 socket, it provides a rock-solid, future-proof foundation optimized for Intel Core Ultra Processors (Series 2).
DDR5 Memory Capability: Outfitted with four DIMM slots supporting up to 256GB of dual-channel DDR5 RAM. It pushes data rates to 8666+ MT/s (OC), utilizing ASUS Enhanced Memory Profile III (AEMP III) to unlock maximum stability and performance.
Next-Gen Expansion & Storage: Features a main PCIe 5.0 x16 slot with SafeSlot technology for modern heavy-duty graphics cards. For ultra-fast storage, it holds two M.2 slots—one natively pushing blistering PCIe 5.0 x4 speeds (128Gbps) and a second running on PCIe 4.0 x4.
Wireless and Wired Networking: Includes onboard Wi-Fi 6E supporting the 2.4, 5, and 6GHz bands for low-latency wireless speeds, alongside a Realtek 2.5Gb Ethernet port equipped with ASUS LANGuard for enhanced packet protection.
Rich I/O & Graphics Support: The back panel boasts an ultra-fast USB 20Gbps Type-C port (supporting DisplayPort Alt Mode), dual DisplayPort outputs, and an HDMI 2.1 port capable of crisp 4K visual output.
Robust Cooling Infrastructure: Built with massive VRM heatsinks, thermal pads, an dedicated AIO pump header, and an M.2 heatsink to guarantee zero thermal throttling during heavy multi-core workflows.
As a Corporate Stable Model (CSM), this motherboard offers businesses long-term supply cycles and efficient IT management software tools. Protected by ASUS 5X Protection III hardware safeguards and complete with Aura Sync RGB headers, it seamlessly blends industrial-grade data security with user-focused customization.
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