ASUS ROG STRIX B860-I Gaming WiFi Intel Motherboard & Ultra 9 285K CPU Combo
- LGA 1851
- Intel B860
ASUS
ATX LGA 1851 motherboard paired with Intel Core Ultra 9 285K processor, DDR5 memory support up to 8666 MT/s, PCIe 5.0 M.2 slot, Wi-Fi 7 and 2.5 Gb Ethernet included
model TUF GAMING B860-PLUS WIFI
+CPU +Ultra 9 285K
This bundle pairs the ASUS TUF GAMING B860-PLUS WIFI motherboard with the Intel Core Ultra 9 285K processor and Shin-Etsu X-23-7868-2D thermal grease. It targets builders who want a ready-to-go platform for advanced AI workloads and high-performance computing. The LGA 1851 socket and B860 chipset deliver a modern foundation for the 125W Arrow Lake CPU.
The board includes DIY-friendly features such as PCIe Slot Q-Release, M.2 Q-Latch, Q-Antenna and a pre-mounted I/O shield to simplify assembly. BIOS FlashBack allows firmware updates without a CPU installed. Builders must supply their own cooler because the processor ships without one; applying the included thermal grease correctly is essential for the 125W part.
The motherboard provides one PCIe 5.0 x16 slot from the CPU and one PCIe 4.0 x16 slot from the chipset that operates at x4 mode. Bandwidth is shared between the chipset x16 and x1 slots, so the x16 drops to x2 when the x1 is populated. Memory tops out at 192 GB of DDR5 across four slots with support up to 8666 MT/s overclocked. Networking uses Wi-Fi 7 and 2.5 Gb Ethernet.
| Brand | ASUS |
|---|---|
| Model | TUF GAMING B860-PLUS WIFI+Ultra 9 285K |
| Part Number | TUF GAMING B860-PLUS WIFI+Ultra 9 285K |
| CPU Socket Type | LGA 1851 |
| Chipset | Intel B860 |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | Up to 8666+MT/s (OC) |
| Maximum Memory Supported | 192GB |
| Channel Supported | Dual Channel |
| Memory Feature | Support up to 8666+ MT/s (OC), Non-ECC, Un-buffered ,Clocked Unbuffered DIMM (CUDIMM) Dual channel memory architecture 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 |
| 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)* |
| PCI Express x1 | 1 x PCIe 4.0 x1 slot* * PCIEX16(G4) shares bandwidth with PCIEX1(G4). When PCIEX1(G4) runs at PCIe x1 mode, PCIEX16(G4) will only run at PCIe x2 mode. |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
| M.2 | Intel Core Ultra Processors(Series 2)* M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode) Intel B860 Chipset M.2_2 slot (Key M), type 2280/22110 (supports PCIe 4.0 x4 mode) M.2_3 slot (Key M), type 2242/2260/2280 (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 - Rear optical S/PDIF out port - Premium audio capacitors - Dedicated audio PCB layers - Audio cover * Due to limitations in HDA bandwidth, 32-Bit/192 kHz is not supported for 7.1 Surround Sound audio. |
| Max LAN Speed | 2.5Gbps |
| Wireless LAN | Wi-Fi 802.11 be |
| Bluetooth | Bluetooth 5.4 |
| Back I/O Ports | 1 x USB 20Gbps port (1 x USB Type-C with DP Alt mode) 2 x USB 10Gbps ports (2 x USB Type-A) 3 x USB 5Gbps ports (3 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Wi-Fi module 1 x Realtek 2.5Gb Ethernet port 5 x Audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack button |
| Onboard USB | 1 x USB 10Gbps 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 Clear CMOS header 1 x Chassis Intrusion header 1 x COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x 10-1 pin Front System Panel header 1 x Thunderbolt (USB4) header |
| BIOS Feature | 256 Mb Flash ROM, UEFI AMI BIOS |
| Software | ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - Fan Xpert 4 - Power Saving ASUS DriverHub ASUS GlideX TUF GAMING CPU-Z Adobe Creative Cloud (Free Trial) DTS Audio Processing Norton 360 for Gamers (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 |
| Windows 11 | Windows 11 (22H2 & later) |
| 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 TUF PROTECTION - DIGI+ VRM (- Digital power design with DrMOS) - ESD Guards - TUF LANGuard - Overvoltage protection - SafeSlot - Stainless-steel back I/O ASUS Q-Design - M.2 Q-Latch - PCIe Slot Q-Release - 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 - BIOS FlashBack™ button - BIOS FlashBack™ LED - CPU Socket lever protector - ProCool - Pre-mounted I/O shield - SafeDIMM Aura Sync - Addressable Gen 2 headers |
| Package Contents | 1 x Intel Ultra 9 285K 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 2 x M.2 rubber packages 1 x Screw package for M.2 SSD 1 x TUF GAMING sticker Documentation 1 x Quick start guide |
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같은 제품군에서 메모리·쿨러·클럭이 다릅니다 — 결정 전에 비교해 보세요.
Enter the BIOS and check the CPU package power reading under hardware monitor; it should idle well below 125W and rise toward 125W under an all-core load such as Cinebench.
You still need DDR5 memory modules, a graphics card, storage drives, a power supply with dual 8-pin CPU connectors, a CPU cooler and a chassis.
Use the M.2_1 slot; it is wired to the CPU and supports PCIe 5.0 x4, while M.2_2 and M.2_3 run at PCIe 4.0 x4 from the chipset.
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