ASUS PRIME B860M-A-CSM

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.

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, DDR5Supports up to 8666+MT/s (OC), Non-ECC,Un-buffered ,Clocked Unbuffered DIMM (CUDIMM)*Dual channel memory architectureDIMM FitSupports Intel Extreme Memory Profile (XMP) memory moduleASUS 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 DisplayPort1 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 slotIntel B860 Chipset1 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)IntelB860 ChipsetM.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 EthernetASUS 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 ports1 x USB 2.0 header supports 2 additional USB 2.0 ports*USB Type-C power delivery output: max. 5V/3AUSB_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 playbackAudio 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 DisplayPort1 x HDMI™ port1 x Realtek 2.5Gb Ethernet port3 x Audio jacks

Internal I/O Connectors

Fan and Cooling Related1 x 4-pin CPU Fan header1 x 4-pin CPU OPT Fan header1 x 4-pin AIO Pump header3 x 4-pin Chassis Fan headersPower Related1 x 24-pin Main Power connector1 x 8-pin +12V CPU Power connectorStorage Related2 x M.2 slots (Key M)4 x SATA 6Gb/s portsUSB1 x USB 10Gbps connector (supports USB Type-C )1 x USB 5Gbps header supports 2 additional USB 5Gbps ports1 x USB 2.0 header supports 2 additionalUSB 2.0 portsMiscellaneous3 x Addressable Gen 2 headers1 x Aura RGB header1 x Clear CMOS header1 x Chassis Intrusion header1 x COM Port header1 x Front Panel Audio header (F_AUDIO)1 x S/PDIF Out header1 x SPI TPM header (14-1 pin)1 x 10-1 pin Front System Panel header1 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/OASUS Q-Design- Q-Dashboard- Q-DIMM- Q-LED Core- Q-SlotASUS Thermal Solution- M.2 heatsink- VRM heatsink designASUS EZ DIY- ProCool- Pre-mounted I/O shieldAura Sync- Aura RGB header- Addressable Gen2 headers

Software Features

ASUS Exclusive SoftwareArmoury Crate- Aura Creator- Aura Sync- Fan Xpert 2+- Power SavingASUS DriverHubASUS CPU-ZNorton 360 for Deluxe (60 Days Free Trial)WinRAR (40 Days Free Trial)UEFI BIOSASUS 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

Cables2 x SATA 6Gb/s cablesMiscellaneous1 x M.2 rubber package1 x Screw package for M.2 SSDDocumentation1 x ACC Express Activation Key Card1 x Quick start guide

Operating System

Windows 11 (22H2 & later), Windows 10 64-bit(21H2 & later)

Form Factor

micro-ATX Form Factor9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)