MotherboardsAsus
ASUS PRIME B860-PLUS
Quick Specs
ChipsetIntel | ® | B860 Chipset
SocketLGA 1851
MemoryDDR5
Form FactorATX
M.2 Slots4
Model: 30877
About this motherboards
The PRIME B860-PLUS motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable.
Technical Specifications24 specs
General
Model
PRIME B860-PLUS
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
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
