Processor Intel Core Ultra 9 285K 3,5 GHz 12 cores 36 MB cache FCLGA1851

The Intel Core Ultra 9 285K is a desktop processor designed for high-performance computing tasks. It has a base frequency of 3.5 GHz, a 36 MB Smart Cache and supports dual-channel DDR5 memory with up to 192 GB capacity. The CPU integrates an Intel AI Boost NPU to accelerate machine learning workloads and supports AI frameworks such as DirectML and OpenVINO. Built for modern motherboards with the FCLGA1851 socket, it provides compatibility with PCI Express 4.0 and 5.0 lanes and includes integrated Intel Graphics with HDMI 2.1 output for display connectivity.

Advantages

The processor combines a 3.5 GHz base clock and a high Smart Cache to handle multitasking and data‑intensive applications. With support for large DDR5 memory configurations and both PCIe 4.0 and 5.0, it enables fast system I/O and expansion options. The integrated Intel AI Boost NPU offloads AI inference and acceleration tasks, improving performance in supported workloads, while the built‑in graphics with HDMI 2.1 simplifies display setup for systems without a discrete GPU.

Suitable for

• Desktop workstations for content creation and multimedia editing
• Software development and compiling large codebases
• Machine learning inference and AI-accelerated applications
• High-performance multitasking and virtual machines
• Systems requiring modern I/O and graphics output without a discrete GPU

Key specifications

• Base frequency: 3.5 GHz
• Boost frequency: 5.7 GHz
• Cores: 12 (product data lists 12 cores; processor family indicates Ultra 9 architecture)
• Smart Cache: 36 MB
• Memory support: Dual-channel DDR5, up to 192 GB
• Socket: FCLGA1851
• PCI Express: Gen 4.0 and Gen 5.0 support
• Integrated graphics: Intel Graphics with HDMI 2.1 output
• On-die AI: Intel AI Boost NPU with support for DirectML and OpenVINO

How to use

Install the processor into a compatible FCLGA1851 motherboard following the motherboard and CPU manufacturer instructions for socket handling, thermal solution mounting, and correct application of thermal interface material. Configure the system BIOS/UEFI to recognize DDR5 memory and set appropriate memory profiles if required. Ensure your cooling solution matches the processor TDP and intended workload to maintain performance and longevity. Install or update chipset and graphics drivers to enable Intel Graphics and AI NPU features, and install AI framework libraries such as DirectML or OpenVINO for software that utilizes the NPU.

Recommendations

Use a high-quality DDR5 memory kit and a capable cooling solution for sustained workloads. Update motherboard BIOS and Intel drivers to the latest versions to ensure compatibility with PCIe 5.0 devices and AI acceleration features. For AI inference tasks, deploy supported frameworks that can leverage Intel AI Boost NPU for improved throughput.