Description
Asus Prime B860M-A-CSM LGA1851 Micro-ATX Motherboard
Asus PRIME series motherboards are expertly engineered to unleash the full potential of the latest Intel® Core™ Ultra Processors (Series 2). Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the Prime B860M-A-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
| Model | PRIME B860M-A-CSM |
| CPU | Support 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. |
| Chipset | Intel® B860 Chipset |
| Memory | 4 x DIMM slots, max. 256GB, DDR5 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) *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. |
| Graphics | 2 x DisplayPort** 1 x HDMI™ port*** * 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. ***** 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. |
| Expansion Slots | 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 – To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals. |
| 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 * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. |
| Ethernet | 1 x Realtek 2.5Gb Ethernet ASUS LANGuard |
| USB | Rear USB (Total 8 ports) 1 x USB 20Gbps port (1 x USB Type-C®) 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. |
| 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. |
| Back Panel I/O Ports | 1 x USB 20Gbps port (1 x USB Type-C®) 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 Realtek 2.5Gb Ethernet port 3 x Audio jacks |
| Internal I/O 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 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 |
| 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-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 |
| Software Features | ASUS Exclusive Software Armoury Crate – Aura Creator – Aura Sync – Fan Xpert 2+ – Power Saving ASUS DriverHub 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 |
| BIOS | 256 (128+128) Mb Flash ROM, UEFI AMI BIOS |
| Manageability | WOL by PME, PXE |
| Accessories | Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x M.2 rubber package 1 x Screw package for M.2 SSD Documentation 1 x ACC Express Activation Key Card 1 x Quick start guide |
| Operating System | Windows 11 (22H2 & later), Windows 10 64-bit(21H2 & later) |
| Form Factor | micro-ATX Form Factor 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm) |
| Warranty | 3 Years |
| Note** | **Prices, Specifications & Features are subject to change without notice |