ASUS PRIME B860-PLUS-CSM ATX Motherboard – DDR5 – Intel LGA1700
Model
PRIME B860-PLUS-CSM
News & Updates
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
Intel Turbo Boost Max Technology 3.0 support depends on the CPU types.
Support Intel Core Ultra Processors (Series 2) , LGA1851
Supports Intel Turbo Boost Technology 2.0 and Intel Turbo Boost Max Technology 3.0
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/
Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
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)
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.
1 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 CoreUltra 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.
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
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.
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 (supports PCIe 4.0 x2 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.
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
Rear USB (Total 5 ports)
1 x USB 20Gbps port (1 x USB Type-C)
2 x USB 5Gbps ports (2 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
Front USB (Total 9 ports)
1 x USB 10Gbps connector(supports USB Type-C)
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
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.
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
1 x USB 20Gbps port (1 x USB Type-C)
2 x USB 5Gbps ports (2 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 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
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
Fan and Cooling Related
1 x 4-pin CPU 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 10Gbps connector (supports USB Type-C® )
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
2 x Addressable Gen2 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 M.2 slot (Key E)
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)
- 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
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 (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- ProCool
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 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
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 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
2 x 128 Mb Flash ROM, UEFI AMI 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
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
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x I/O shield
1 x M.2 rubber package
2 x Screw package for M.2 SSD
1 x Screw package for M.2 Key E
Documentation
1 x Quick start guide
Operating System
Windows 11 (22H2 & later), Windows 10 64-bit(21H2 & later)
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 )
