MotherboardsAsus
ASUS PRIME B860-PLUS-CSM
Quick Specs
ChipsetIntel | ® | B860 Chipset
SocketLGA 1851
MemoryDDR5
Form FactorATX
M.2 Slots4
Model: 30955
About this motherboards
Elevate your PC build with the ASUS PRIME B860-PLUS-CSM. Features include Intel® Core™ Ultra Processors (Series 2) support, DDR5, PCIe 5.0, and AI capabilities.
Technical Specifications24 specs
General
Model
PRIME B860-PLUS-CSM
News Updates
- Please see the updated OS support requirements for the Intel
- ®
- Core Ultra 200S series below:
- •Intel
- ®
- Core Ultra 200S Series:
- Supports Windows 10 (version 21H2 and later) and Windows 11 (version 22H2 and later).
- •Intel
- ®
- Core Ultra 200S Plus Series:
- Windows 11 (version 25H2 and later) for full compatibility.
- Please visit our
- GLOBAL website
- to check and download the latest updates.
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
- Support 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 (AEMP III)
- * 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
- 1 x DisplayPort
- 1 x HDMI™ port
- 1 x 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.
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)
- - 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 3 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 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
- M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
- 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
Wireless Bluetooth
- M.2 slot only (Key E, CNVi & PCIe)
- * Wi-Fi module is sold separately.
Usb
- Rear USB (Total 6 ports)
- 1 x USB 20Gbps port (1 x USB Type-C® with DP Alt mode)
- 2 x USB 10Gbps ports (2 x Type-A)
- 1 x USB 5Gbps port (1 x Type-A)
- 2x USB 2.0 ports (2 x Type-A)
- Front USB (Total 7 ports)
- 1 x USB 5Gbps connector (1 x USB Type-C®)
- 1 x USB 5Gbps header supports additional 2 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
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® with DP Alt mode)
- 2 x USB 10Gbps ports (2 x Type-A)
- 1 x USB 5Gbps port (1 x Type-A)
- 2 x USB 2.0 ports (2 x Type-A)
- 1 x DisplayPort
- 1 x HDMI™ port
- 1 x Realtek 2.5Gb Ethernet port
- 3 x Audio jacks
Internal I O
- 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
- 1 x 8-pin +12V CPU Power connector
- Storage related
- 3 x M.2 slots (Key M)
- 4 x SATA 6Gb/s ports
- USB
- 1 x USB 5Gbps connector (supports USB Type-C®)
- 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
- 2 x USB 2.0 header support 4 additional USB 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 (14-1pin)
- 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)
- - LANGuard
- - Overvoltage Protection
- - SafeSlot
- - Stainless-steel back I/O
- ASUS Q-Design
- - Q-Dashboard
- - Q-DIMM
- - Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- - Q-Slot
- ASUS Thermal Solution
- - Flexible M.2 heatsink
- - VRM heatsink design
- ASUS EZ DIY
- - ProCool
- - Pre-mounted I/O shield
- Aura Sync
- - Aura RGB header
- - Addressable Gen 2 headers
Software Features
- ASUS Exclusive Software
- Armoury Crate
- - Aura Creator
- - Aura Sync
- - Fan Xpert 2+
- - Power Saving
- ASUS AI Advisor
- ASUS DriverHub
- ASUS CPU-Z
- Adobe Creative Cloud (Free Trial)
- Norton 360 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
2 x 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
- 2 x Screw packages for M.2 SSD
- 1 x Screw package for M.2 Key E
- Documentation
- 1 x Quick start guide
- Cables
- 2 x SATA 6Gb/s cables
- Miscellaneous
- 1 x M.2 rubber package
- 2 x Screw packages for M.2 SSD
- 1 x Screw package for M.2 Key E
- 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
- ATX Form Factor
- 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
Physical Dimensions
Length Mm
304.8
Width Mm
243.8
Height Mm
774.7
