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Customer Ratings & Reviews

Your price for this item is $439.99

Customer reviews

Rating 4.9 out of 5 stars with 452 reviews

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Rating by feature

  • Value

    Rating 4.4 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

98%would recommend to a friend

Customers are saying

Customers find value in the overclocking capabilities, performance, and price of the Core i9-9900K. They appreciate the ease of installation and the noticeable upgrade it provides over previous models. While some users have concerns about its temperature and cost, many agree that it is a powerful and fast CPU.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 20 Showing 381-400 of 452 reviews
  • Rated 5 out of 5 stars

    Great Upgrade!

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    Posted . Owned for 3 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Upgrade from the i7 700k to the I-9 absolutely love what I can do with my PC. Mainly just future-proofing for it and trying to get the most out of VR.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Happy!

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    We have to upgrade to the i9. We have had zero problems. It’s fast! My son is happy and so are we!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Solid chip

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Have installed this chip in 3 builds. Solid. Runs a little warm but no problems with botha liquid and fan cooler.

    I would recommend this to a friend
    • Brand response from Intel team
      Posted .

      Hello Oldpilotguy. Thank you for sharing your review on this 9Th Generation Intel® Core™ i9-9900K Processor! We are glad to know that you were able to fix any overheating issues by using both a liquid cooling solution and a fan cooler. Continue to enjoy the blazing speeds and overall quality performance of your Intel® Core™ i9 Processor.

      Thank you for choosing Intel!

  • Pros mentioned:
    Performance

    Rated 4 out of 5 stars

    Great gaming cpu

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great cpu for gaming, however, lacks a bit in video editing.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Amazing CPU

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This CPU is the bee's knees thing is amazing i have it overclocked and so far its great everything runs awesome on my computer!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    amazing title here.. be amazed!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is how you do it boys :D Bestbuy is making me write this message for points.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Excellent Purchase

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    No complaints yet, maybe not the best bang for your buck processor, but it certainly hasn’t reach its limits on the games I play.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    INTEL

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Always use Intel for my personal builds and have never been let down. Installed in a ASROCK Z390 TAICHI and 32gb ram. Running GREAT!!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    I9 9900k

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought on sale. Great price for fast cpu. Still waiting on Best Buy to get in some 3060 gpu’s to finish the build

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Outside of the KS best processor for z390

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I found myself needing 8 more threads over my i7. Not only was this processor available the discount was great.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Fast. Fast. Fast.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have yet to find anything that can slow this processor down. Run cool with a good liquid cooler.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great upgrade from an i7

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Been eyeing this for awhile now, and caught it onsale. If you can find it for under $500, and in stock, don't hesitate!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Top of the line cpu

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Worked the first time I installed on Gigabyte z390 Aorus Master mono. Runs on Windows 64bit Pro on 1 tb gigabyte M.2.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Epic

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is a very epic product. After my pc build, it works very well

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Good

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Processes progams fast, works good for my games and didnt cost to much

    I would recommend this to a friend
    • Brand response from Intel team
      Posted .

      Hello, there. We are happy to know that you are having a great experience with our 9th Generation Intel® Core™ i9-9900K Processor. That's amazing! The beauty of this processor is that allows you to perform in an unprecedented harmony; the new core and graphics architectures, AI-based intelligent performance, and best-in-class wireless and wired connectivity of 9th Generation Intel® Core™ processors push laptop and desktop performance to new heights. Thank you for choosing Intel.

  • Rated 5 out of 5 stars

    Amazing deal, Great value

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    A wonderful processor and Best Buy was great to purchase from. I even had one return and it was hassle free.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    The best CPU out.

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    Posted . Owned for 3 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Beast of a CPU, no need to even overclock. Perfect for any game or app you through at it.

    I would recommend this to a friend
    • Brand response from Intel team
      Posted .

      Hello there. We are so happy to know that you are having a great experience with our 9th Generation Intel® Core™ i9-9900K Processor. That's amazing! We agree that this model delivers a new performance, gaming on a whole new level, and creativity without limits. It also powers up and customizes your gaming rig with up to 40 platform PCIe lanes giving you outstanding flexibility. Thank you for choosing Intel.

  • Rated 5 out of 5 stars

    Great buy!!!!!!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Upgraded gaming computer for our Grandson and he is extremely pleased.

    I would recommend this to a friend
    • Brand response from Intel team
      Posted .

      Hello there. Thank you for your kind review! We are pleased to know that the installation process of this 9Th Generation Intel® Core™ i9-9900K Processor went smooth, and at the same time we hope you can continue to take good advantage of the lightning speeds, amazing graphics quality and easy overclocking capabilities of this processor! Happy gaming! Thank you for being a loyal Intel Customer!

  • Rated 5 out of 5 stars

    I recommend

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Shipped fast and in good shape recommend for anyone looking for a fast shipped item

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Top of the line

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Top of the line processor. Price matched at Best buy. I am very happy with this purchase.

    I would recommend this to a friend