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ASUS PRIME B860-PLUS WIFI ATX motherboard with Intel Ultra 5 245K CPU and thermal grease tube

ASUS

ASUS PRIME B860-PLUS WIFI + Ultra 5 245K Combo

SKU CH-ZYY6-FNFF0

B860 ATX motherboard paired with an Intel Ultra 5 245K processor, LGA 1851 socket, DDR5 memory up to 8200 MT/s, PCIe 5.0 M.2 slot, WiFi 6E and 2.5 Gb Ethernet

  • CPU Socket TypeLGA 1851
  • ChipsetIntel B860
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardUp to 8200+ MT/s (OC)
  • Maximum Memory Supported192GB
  • Channel SupportedDual Channel

model PRIME B860-PLUS WIFI

+CPU +Ultra 5 245K

  • Ready for Intel Core Ultra Series 2 processors with LGA 1851 socket
  • 125W CPU with 24MB L3 cache and 26MB L2 cache
  • DDR5 memory up to 8200 MT/s across four slots
  • PCIe 5.0 x16 slot plus PCIe 5.0 M.2 with heatsink
  • WiFi 6E, Bluetooth 5.3 and Realtek 2.5Gb Ethernet built in

Combo for Intel Core Ultra Series 2

This bundle pairs the ASUS PRIME B860-PLUS WIFI motherboard with an Intel Core Ultra 5 245K processor and Shin-Etsu X-23-7868-2D thermal grease. The LGA 1851 platform supports up to 192GB of DDR5 memory across four slots with speeds up to 8200+ MT/s when overclocked. It targets builders who want a ready-to-assemble foundation for advanced AI workloads and high-performance computing.

ATX board with 8+1+1+1 80A DrMOS stages

The motherboard uses an 8+1+1+1 phase power design fed by an 8-pin ProCool connector alongside alloy chokes and durable capacitors. Connectivity includes one PCIe 5.0 x16 slot, one PCIe 4.0 x16 slot running at x4, three PCIe 4.0 x16 slots at x1, four SATA 6Gb/s ports, and two M.2 sockets supporting 2242, 2260, 2280 and 22110 form factors. Rear I/O provides USB 20Gbps Type-C, two USB 10Gbps Type-A, one USB 5Gbps Type-A, four USB 2.0 ports, HDMI, DisplayPort, 2.5Gb Ethernet and WiFi 6E with Bluetooth 5.3.

Pre-applied thermal grease and DIY aids

The included Shin-Etsu X-23-7868-2D compound eliminates the need to purchase paste separately and ensures reliable thermal transfer from the 125W processor. Onboard features such as Q-Dashboard, Q-DIMM, Q-LED, Q-Slot and a pre-mounted I/O shield simplify assembly and troubleshooting. Fan Xpert 2+ and hybrid fan headers give software control over cooling, while three addressable Gen 2 headers enable Aura Sync RGB customisation.

Highlights

  • Ready for Intel Core Ultra Series 2 processors with LGA 1851 socket
  • 125W CPU with 24MB L3 cache and 26MB L2 cache
  • DDR5 memory up to 8200 MT/s across four slots
  • PCIe 5.0 x16 slot plus PCIe 5.0 M.2 with heatsink
  • WiFi 6E, Bluetooth 5.3 and Realtek 2.5Gb Ethernet built in

Specifications

BrandASUS
ModelPRIME B860-PLUS WIFI+Ultra 5 245K
Part NumberPRIME B860-PLUS WIFI+Ultra 5 245K
CPU Socket TypeLGA 1851
ChipsetIntel B860
Number of Memory Slots4x288pin (DDR5)
Memory StandardUp to 8200+ MT/s (OC)
Maximum Memory Supported192GB
Channel SupportedDual Channel
Memory FeatureSupport up to 8200+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)
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
PCI Express 5.0 x16Intel Core Ultra Processors (Series 2)
1 x PCIe 5.0 x16 slot
PCI Express 4.0 x16Intel B860 Chipset
1 x PCIe 4.0 x16 slot (supports x4 mode)
3 x PCIe 4.0 x16 slots (support x1 mode)
Serial ATA (SATA)4 x SATA 6Gb/s
M.2Intel 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)
SATA RAID* Intel Rapid Storage Technology supports SATA RAID 0/1/5/10.
Audio ChannelsRealtek 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.
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 ax
BluetoothBluetooth 5.3
Back I/O Ports1 x USB 20Gbps port (1 x USB Type-C)
2 x USB 10Gbps ports (2 x Type-A)
1 x USB 5Gbps port (1 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x Wi-Fi module
1 x Realtek 2.5Gb Ethernet port
3 x Audio jacks
Onboard USB1 x USB 5Gbps 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
Other ConnectorsFan 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
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
BIOS Feature2 x 128 Mb Flash ROM, UEFI AMI BIOS
SoftwareASUS 5X PROTECTION III
-DIGI+ VRM (- Digital power design with DrMOS)
- LANGuard
- Overvoltage Protection
- SafeSlot
- Stainless-steel back I/O
ASUS Q-Design
- Q-Antenna
- 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
- Pre-mounted I/O shield
Aura Sync
- Aura RGB header
- Addressable Gen 2 headers
Windows 11Windows 11
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connectors
FeaturesASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 2+
- Power Saving
ASUS DriverHub
ASUS GlideX
ASUS CPU-Z
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
Package Contents1 x Intel Ultra 5 245K CPU
1 x Thermal grease: Shin-Etsu X-23-7868-2D
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x M.2 rubber package
1 x Screw package for M.2 SSD
Documentation
1 x Quick start guide

Other versions of this model

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Questions about this item

What PCIe generation does the primary M.2 slot use and what speed does it cap at?

The M.2_1 slot runs on PCIe 5.0 x4, capping sequential throughput at the drive's PCIe 5.0 limit.

What socket and cooler mounting pattern does the combo require?

The board uses LGA 1851; coolers must match the 1851 mounting holes.

How is the included Shin-Etsu X-23-7868-2D grease applied and what step is often missed?

Place a pea-sized dot on the Ultra 5 245K heatspreader, mount the cooler straight down, and tighten diagonally; many forget to remove the CPU socket cover first.

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