Processor Intel Ultra 7 265KF, 5.50 GHz, 8 Cores, 30M Cache, FCLGA18W

The Intel Ultra 7 265KF is a desktop processor based on the Arrow Lake core family. It provides a high single-core clock of up to 5.50 GHz, a combination of performance and efficient cores, and support for DDR5 memory. The CPU is supplied in an FCLGA18W (socket 1851) form factor and is intended for use in desktops where high-frequency performance and multi-threaded capability are required.

Advantages

The processor combines 8 performance cores and 12 efficient cores for a total of 20 cores and 20 threads, a large combined cache, and high turbo frequencies that accelerate single-threaded and multi-threaded workloads. It supports modern platform features such as DDR5 memory at up to 6400 MHz, PCI Express 5.0 lanes, and advanced Intel technologies for virtualization, security, and AI acceleration.

Suitable for

• High-frequency gaming and esports systems
• Content creation: video editing, 3D rendering, and streaming
• Professional productivity and multitasking workloads

Key specifications

• Architecture: Arrow Lake
• Cores: 20 (8 performance-cores + 12 efficient-cores)
• Threads: 20
• Base clock (performance-core): 3.9 GHz
• Base clock (efficient-core): 3.3 GHz
• Maximum turbo clock: 5.50 GHz
• Performance-core turbo: 5.4 GHz
• Efficient-core turbo: 4.6 GHz
• Processor cache: 30 MB
• L2 cache: 36 MB
• Thermal design power (TDP): 125 W (maximum up to 250 W)
• Memory type: DDR5, up to 6400 MHz
• Maximum supported memory: 192 GB
• Memory channels: 2
• PCI Express lanes: up to 24 (PCIe 5.0)
• Socket: FCLGA18W (1851)
• Instruction set: 64-bit

How to use

Install the processor into a compatible motherboard with an FCLGA18W (1851) socket following the motherboard manufacturer’s installation instructions. Use a compatible cooling solution sized for the specified TDP and ensure correct seating, thermal compound application, and secure retention. Configure BIOS settings to enable supported DDR5 memory speeds and relevant platform features such as PCIe settings and virtualization options. Use appropriate power delivery on the motherboard and a PSU that meets system demands.

Usage recommendations

For sustained heavy workloads or overclocking, pair the processor with robust cooling and a motherboard with strong VRM design. Use DDR5 memory modules rated for the desired frequency and consult motherboard documentation for qualified memory and BIOS updates.