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Product Overview

The Intel Core Ultra 9 285K is a 24-core desktop processor for the LGA1851 socket, built on the Arrow Lake design. It combines 8 Performance cores with 16 Efficiency cores, all single-threaded, giving 24 cores and 24 threads in total. The Performance cores reach a boost clock of 5.7 GHz, and the chip carries 40 MB of L2 cache and 36 MB of L3 cache.

It suits high-end gaming and heavy multi-threaded builds on Intel 800-series chipset motherboards, with support for PCIe 5.0 and 4.0 and DDR5 memory over two channels. An integrated NPU rated at 13 TOPS supports Intel AI Boost workloads such as OpenVINO, WindowsML, DirectML, ONNX RT and WebNN. This is the tray version, so there is no cooler in the box and you will need to supply your own. The base power is 125 W, with a maximum of 250 W.

Specification

• Manufacturer: Intel
• Model: Core Ultra 9 285K
• MPN: AT8076806419
• Socket: LGA1851 (FC-LGA4)
• Cores / Threads: 24 cores / 24 threads (8 P-cores + 16 E-cores)
• P-core Clock: 3.7 GHz base / 5.7 GHz boost
• E-core Base Clock: 3.2 GHz
• L2 Cache: 40 MB
• L3 Cache: 36 MB
• Core Name: Core Ultra 9 2xxK (Arrow Lake)
• Memory Channels: 2 (DDR5)
• Max PCIe Version: 5.0
• Integrated Graphics: Intel Graphics, 300 MHz base / 2000 MHz turbo
• AI Engine (NPU): 1 AI core, 13 TOPS
• TDP: 125 W base / 250 W maximum
• Cooler: Not included
• Packaging: Tray version

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