ASUS PRIME B860M-K Intel motherboard & Ultra 5 245K CPU combo with Shin-Etsu X-23-7868-2D thermal grease
- LGA 1851
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ASUS
A B860 ATX board with LGA 1851 socket, DDR5 up to 8200 MT/s, WiFi 6E, 2.5 Gb Ethernet and a bundled Intel Ultra 7 265K CPU plus thermal grease
model PRIME B860-PLUS WIFI
+CPU +Ultra 7 265K
This combo pairs the ASUS PRIME B860-PLUS WIFI motherboard with the Intel Core Ultra 7 265K processor and Shin-Etsu X-23-7868-2D thermal grease. The board uses the Intel B860 chipset on an ATX form factor with an LGA 1851 socket. It targets builders who want a ready-to-run platform for AI workloads and high-performance computing without selecting parts separately.
The 8+1+1+1 80A DrMOS power stages and enlarged VRM heatsinks are designed to deliver stable power during extended heavy workloads. A dedicated M.2 heatsink covers the PCIe 5.0 slot while a PCH heatsink handles chipset heat. Hybrid fan headers and Fan Xpert 2+ allow custom fan curves so temperatures stay controlled over long sessions.
Pre-mounted I/O shield, Q-DIMM latches, Q-LED indicators and Q-Dashboard simplify the build process. The LGA 1851 socket requires careful CPU alignment to avoid bent pins. Applying the included Shin-Etsu grease evenly is critical because the processor runs at 125W and has no stock cooler. Builders must supply their own cooling solution.
| Brand | ASUS |
|---|---|
| Model | PRIME B860-PLUS WIFI+Ultra 7 265K |
| Part Number | PRIME B860-PLUS WIFI+Ultra 7 265K |
| CPU Socket Type | LGA 1851 |
| Chipset | Intel B860 |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | Up to 8200+ MT/s (OC) |
| Maximum Memory Supported | 192GB |
| Channel Supported | Dual Channel |
| Memory Feature | Support 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 x16 | Intel Core Ultra Processors (Series 2) 1 x PCIe 5.0 x16 slot |
| PCI Express 4.0 x16 | Intel 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.2 | 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) |
| SATA RAID | * Intel Rapid Storage Technology supports SATA RAID 0/1/5/10. |
| Audio Channels | 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. |
| Max LAN Speed | 2.5Gbps |
| Wireless LAN | Wi-Fi 802.11 ax |
| Bluetooth | Bluetooth 5.3 |
| Back I/O Ports | 1 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 USB | 1 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 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 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 Feature | 2 x 128 Mb Flash ROM, UEFI AMI BIOS |
| Software | ASUS 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 11 | Windows 11 |
| Form Factor | ATX |
| Dimensions (W x L) | 12.0" x 9.6" |
| Power Pin | 1 x 24-pin Main Power connector 2 x 8-pin +12V CPU Power connectors |
| Features | ASUS 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 Contents | 1 x Intel Ultra 7 265K 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
Same family, different memory, cooler or clock — compare before you commit.
The bundle includes Shin-Etsu X-23-7868-2D thermal grease, which is sufficient for applying between the Intel Ultra 7 265K and your chosen cooler.
The board supports DDR5 up to 8200+ MT/s when overclocked via XMP or ASUS Enhanced Memory Profile II, running in dual-channel across four slots.
Use the M.2_1 slot connected to the CPU; it supports PCIe 5.0 x4 mode for 2242, 2260 and 2280 drives and includes a dedicated heatsink.
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