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Intel Core i9-12900K premium retail box photographed on a white background.
Intel · Processors

Intel Core i9-12900K

Available to order

A 12th-generation 16-core, 24-thread unlocked processor for established LGA1700 systems.

$609.00

Grade A benchmark: Australian retail reference

Or $3.90 a week over 36 months — 0% interest, no fees.

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Free 2-hour delivery in Sydney · 14-day change-of-mind returns

Every item includes

  • Check Intel boxed-processor warranty terms and remaining seller coverage.
  • Full diagnostic test before dispatch.
  • Storage devices data-wiped to industry standard.
  • 14-day change-of-mind returns.

In the box

  • Intel Core i9-12900K processor
  • Boxed SKU BX8071512900K

Specifications

Cores / threads16 cores / 24 threadsEight Performance-cores plus eight Efficient-cores.
Maximum turbo5.2GHzIntel's specified peak turbo frequency under supported conditions.
Smart Cache30MBShared cache used by the processor cores.
Power125W base / 241W maximum turboA high-power unlocked processor that needs capable cooling.
SocketFCLGA1700Requires a compatible LGA1700 desktop motherboard.

What it handles

  • Modern desktop gaming with a suitable graphics card
  • Productivity, compilation and moderate creator workloads
  • Mixed multitasking across Performance- and Efficient-cores

Good to know

  • It has fewer cores and a lower peak frequency than the newer i9 models in this catalogue.
  • Its 125W base power and 241W maximum turbo power require serious cooling.
  • As a legacy model, stock condition and remaining warranty should be checked carefully.

Legacy retail reference; current availability varies. Checked 16 August 2026. View the source listing ↗

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