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Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W
Intel

Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W

Bottom line: The Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo ($419.00 on Amazon as of 2026-10-21 12:20 UTC): 8 cores and 16 threads at up to 5.00 GHz turbo; main trade-off: locked to LGA1151 Intel 300 Series motherboards only.

$419.00

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Buy on Amazon — $419.00 Compare to similar processors

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 8 cores and 16 threads at up to 5.00 GHz turbo
  • ✓ Unlocked multiplier for overclocking on Z390 boards
  • ✓ 16 MB cache supports high-framerate gaming workloads
  • ✓ UHD Graphics 630 lets you boot without a discrete GPU

Cons

  • ✗ Locked to LGA1151 Intel 300 Series motherboards only
  • ✗ 95W TDP is a base figure; real draw climbs under all-core load
  • ✗ No cooler included, so budget for a separate heatsink
  • ✗ Dead-end platform with no newer Intel CPU upgrade path

Manufacturer description

8 Cores/ 16 Threads 3.60 GHz up to 5.00 GHz/ 16 MB Cache Compatible only with Motherboards based on Intel 300 Series Chipsets

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SpecPicks Verdict

SpecPicks scored Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo… using a rating × review-volume × price-fit model applied to published specs and reviews across the processors category. Intel's processors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for processors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

What motherboard do I need for the i9-9900K?

It uses the LGA1151 socket and is compatible only with motherboards based on Intel 300 Series chipsets, such as Z390, Z370, B365, and H370. It will not work in 100 or 200 Series boards.

How fast does the i9-9900K actually run?

Base clock is 3.60 GHz with Turbo up to 5.00 GHz. Sustained boost behavior depends on your cooling solution and motherboard power limits.

Does the i9-9900K come with a cooler?

No stock cooler is listed in the product specs. Plan on a separate air or liquid cooler, and check the current listing to confirm exactly what is in the box.

Can I use this CPU without a graphics card?

Yes. It includes Intel UHD Graphics 630, so you can display video and troubleshoot without a discrete GPU, provided your motherboard has video outputs.

Is the i9-9900K unlocked for overclocking?

Yes, the K suffix means the multiplier is unlocked. You will need a Z-series 300 chipset motherboard and adequate cooling to push past the 5.00 GHz turbo ceiling.

Key Features

  • 8 Cores/ 16 Threads
  • 3.60 GHz up to 5.00 GHz/ 16 MB Cache
  • Compatible only with Motherboards based on Intel 300 Series Chipsets
  • Intel Optane Memory supported
  • Intel UHD Graphics 630

Full Specifications

SizeI9-9900K
BrandIntel
ModelBX80684I99900K
WarrantyAltering clock frequency or voltage may damage or reduce the useful life of the processor and other system components, and may reduce system stability and performance. Product warranties may not apply if the processor is operated beyond its specifications. Check with the manufacturers of system and components for additional details.
UnitCount1
ReleaseDate2018-10-19T00:00:01Z
ManufacturerIntel
IsAdultProductfalse
ItemPartNumberBX80684I99900K

Ready to buy?

Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $419.00

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

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Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W
$419.00
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