| SPECIFICATIONS |
| Brand | ASUS |
| Series | PRIME Series |
| Model | PRIME B860M-K |
| CPU Support | Intel Socket LGA 1851 for Core Ultra Series Processors (Series 2) |
| Chipset | Intel B860 Express |
| Memory Support |
| Intel Core Ultra Series Processors (Series 2) | 2x DIMM slots, max. 128GB, DDR5 |
| Supports up to 8800 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 (AEMPIII) |
| Video |
| HDMI | 1x HDMI 2.1 (TMDS) port, supporting a maximum resolution of UHD 4K 3840x2160 @ 60Hz, Support for HDCP 2.3, and HDR |
| DisplayPort | 1x DisplayPort 1.4 port, supporting a maximum resolution of UHD 4K 3840x2160 @ 60Hz, Support for HDCP 2.3, and HDR |
| Integrated graphics required. Actual support may vary by CPU. |
| Expansion Slots |
| CPU Direct | 1x PCIe 4.0 x16 Physical, x16 Electrical slot |
| Intel B860 Chipset | 2x PCIe 4.0 x1 Physical, x1 Electrical slots |
| Storage |
| CPU Direct | 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 (supports PCIe 4.0 x4 mode) |
| 4x SATA 6Gb/s ports |
| Intel Rapid Storage Technology supports SATA RAID 0/1/5/10. |
| Networking |
| LAN | Realtek 2.5 Gigabit LAN 10/100/1000/2500Mbps |
| ASUS LANGuard Protection |
| WiFi | N/A |
| Bluetooth | N/A |
| Audio |
| Codec | Realtek 7.1 Surround Sound CODEC |
| Supports Jack-detection, Multi-streaming, Front Panel Jack-retasking, Impedence sense for front-panel headphones |
| Supports up to 24-Bit/192 kHz playback |
| Dedicated audio PCB layers |
| Audio Shielding |
| Connectivity |
| Ports | 1x USB 10Gbps Type-A Port |
| 2x USB 5Gbps Type-A Ports |
| 3x USB 2.0 Type-A Port |
| 1x HDMI 2.1 (TMDS) |
| 1x DisplayPort 1.4 Port |
| 3x 3.5mm Audio Jacks Support Surround Sound |
| 1x PS/2 Combo Port (Keyboard, Mouse) |
| 1x Realtek 2.5 Gigabit Ethernet RJ-45 LAN |
| General |
| Internal Connectors | 1x 4-pin CPU Fan header |
| 2x 4-pin Chassis Fan headers |
| 1x 24-pin Main Power connector |
| 1x 8-pin 12V CPU Power connector |
| 2x M.2 slots (Key M) |
| 4x SATA 6Gb/s ports |
| 1x USB 5Gbps connector (supports USB Type-C ) |
| 1x USB 5Gbps header supports 2 additional USB 5Gbps ports |
| 2x USB 2.0 headers support 4 additional USB 2.0 ports |
| 2x Addressable Gen2 headers |
| 1x Aura RGB header |
| 1x Clear CMOS header |
| 1x COM Port header |
| 1x Front Panel Audio header (F_AUDIO) |
| 1x S/PDIF Out header |
| 1x SPI TPM header (14-1 pin) |
| 1x 10-1 pin Front Panel System header |
| Buttons | N/A |
| LED Displays | ASUS Q-LED Core Diagnostic LED (via power LED) |
| BIOS | 256Mb Flash ROM, UEFI AMI BIOS |
| Remote Management | WOL by PME, PXE |
| Form Factor | Micro-ATX Form Factor, 244 x 222 mm (H x W) |
| Operating System Support | Windows 11 64-bit |
| Box Contents | 2x SATA 6Gb/s cables |
| 1x I/O Shield |
| 1x M.2 anchor package |
| 1x Quick start guide |
| Warranty Information |
| Warranty | 3 Year Warranty |