PRIME B860M-K ASUS PRIME series motherboards are expertly engineered to unleash the full potential of the latest Intel® Core™ Ultra Processors (Series 2). Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the PRIME B860M-K motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications. Specifications Model PRIME B860M-K CPU Supports Intel® Core™ Ultra Processors (Series 2), LGA1851*
Intel Motherboards
ASUS Prime B860M-K LGA 1851 Micro-ATX Motherboard LGA 1851 Micro-ATX Motherboard, Intel B860 Chipset, 2x DIMM DDR5 Slots, Up to 128GB Max Memory, 1x PCIe 4.0 x16 Slot, 2x M.2 Slots | 90MB1JT0-M0EAY0
- Model: PRIME B860M-K
- CPU: Supports Intel® Core™ Ultra Processors (Series 2), LGA1851*Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0*** Refer to ASUS support for the CPU support list.
- Chipset: Intel® B860 Chipset
- Memory: 2 x DIMM slots, max. 128GB, DDR5Supports up to 8800+MT/s (OC), Non-ECC, Un-bufferedSupports Intel® Extreme Memory Profile (XMP)ASUS Enhanced Memory Profile III (AEMPIII)
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Technical Specifications
| Model | PRIME B860M-K |
| CPU | Supports Intel® Core™ Ultra Processors (Series 2), LGA1851*Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0*** Refer to ASUS support for the CPU support list. |
| Chipset | Intel® B860 Chipset |
| Memory | 2 x DIMM slots, max. 128GB, DDR5Supports up to 8800+MT/s (OC), Non-ECC, Un-bufferedSupports Intel® Extreme Memory Profile (XMP)ASUS Enhanced Memory Profile III (AEMPIII) |
| Graphics | 1 x DisplayPort (max. 4K@60Hz)1 x HDMI™ port (max. 4K@60Hz) |
| Expansion Slots | Intel® Core™ Ultra Processors: 1 x PCIe 4.0 x16 slotIntel® B860 Chipset: 2 x PCIe 4.0 x1 slots |
| Storage | 2 x M.2 slots (1 x PCIe 5.0 x4, 1 x PCIe 4.0 x4)4 x SATA 6Gb/s portsSupports RAID 0/1/5/10 |
| Ethernet | 1 x Realtek 2.5Gb EthernetASUS LANGuard |
| USB | Rear: 1 x USB 10Gbps (Type-A), 2 x USB 5Gbps (Type-A), 3 x USB 2.0 (Type-A)Front: 1 x USB 5Gbps (Type-C), 1 x USB 5Gbps header (2 ports), 2 x USB 2.0 headers (4 ports) |
| Audio | Realtek 7.1 Surround Sound High Definition Audio CODECSupports up to 24-bit/192 kHz playbackAudio shielding and premium capacitors |
| Back Panel I/O Ports | 1 x USB 10Gbps (Type-A), 2 x USB 5Gbps (Type-A), 3 x USB 2.0 (Type-A)1 x DisplayPort, 1 x HDMI™, 1 x Realtek 2.5Gb Ethernet3 x Audio jacks, 1 x PS/2 Keyboard/Mouse combo port |
| Internal I/O Connectors | Fan headers, power connectors, storage connectors, USB headers, RGB headers, and various system panel headers |
| Special Features | ASUS 5X PROTECTION III (DIGI+VRM, LANGuard, Overvoltage Protection, etc.)ASUS Q-Design (Q-DIMM, Q-LED Core, etc.)Aura Sync (RGB header and Addressable Gen2 headers) |
| Software Features | Armoury Crate (Aura Sync, Fan Xpert 2+)ASUS AI AdvisorNorton 360 Deluxe (60 Days Free Trial)WinRAR (40 Days Free Trial) |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOSSupports ASUS EZ DIY features (EZ Flash, CrashFree BIOS 3, etc.) |
| Accessories | 2 x SATA 6Gb/s cables1 x I/O Shield1 x M.2 anchor package |
| Operating System | Windows 11 (22H2 & later), Windows 10 64-bit (21H2 & later) |
| Form Factor | micro-ATX, 9.6 inch x 8.75 inch (24.4 cm x 22.2 cm) |

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