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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

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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 11 Showing 201-220 of 452 reviews
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    Great Processor

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

    I used this processor in a computer I built. The processor is giving me excellent performance for all of my gaming.

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Great cpu

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

    Is a great cpu. Way better than my i5 9600k. I got a 20 to 30 frame boost in games. Was worth the cost to me

    I would recommend this to a friend
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    It's intel

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

    The core i9 is still great CPU even with the 11th gen CPUs that are out now considering the price.

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

      Hello Sknaht. 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.

  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    100% BUY even in 2021

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

    Its a 9900K so... I got it stable at 5.0 all cores easy As good as any of the 10 or 11 series chips

    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.

  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    Power processor

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

    Stepped up to the best Intel gas to offer! All good for me with work etc. Not much of a gamer but sure feels ready to roll!

    I would recommend this to a friend
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    HappyBoyfriend

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

    An important piece to my boyfriends computer building project. He was incredibly happy to get it and Install it. He absolutely loves it!

    I would recommend this to a friend
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    One of the best processors out there

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

    Super fast and amazing ! It’s a must for gaming. Using this same processor for my next gaming PC build.

    I would recommend this to a friend
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    Great snappy cpu!

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

    This cpu has been great so far! No problems. Paired it with grizzly cryonaut thermal paste and a noctua dh15. Very fast!

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Great but pricey

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

    I love this CPU! I wish it was 50 dollars cheaper but I’ve always had intel so... overall though great performance!

    I would recommend this to a friend
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    Awesome cpu

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This chip is an absolute beast. OC to 5ghz all cores. I think I should be good for a while with this chip!

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Awesome product

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

    Awesome processor. Not much else to say. Was the price of an i7 10700k. Very good deal very fast.

    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.

  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    Beast of a processor!

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

    Very fast processor, love it. Paired with my gtx 1080 hybrid for now. Waiting to get my hands on a rtx 3080!

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Works Great!

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

    Intel I9. Works great for certain programs I use. I hope they can make it worth everyone's budget!

    I would recommend this to a friend
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    great processor

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

    Love it. I really wish I was able to purchase a GPU as fast as I was able to get this processor.

    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.

  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    Incredible Fast Stable

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    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is by far the fastest processor I've ever used. Overclocked to the max and still runs completely stable.

    I would recommend this to a friend
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    Great processor!

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

    Wish I would have waited for the price to drop, but this is a great processor! Honestly, I love this thing.

    I would recommend this to a friend
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    Great item

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

    Excellent item for my sons custom computer build top of the line

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Amazing Processor

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

    I upgraded my old i5 to this i9 and the power that this thing can output is amazing, im very happy with it so far

    I would recommend this to a friend
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    Super good choice in 2021

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    So much performance for the money, worth the upgrade if you have an older CPU.

    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.

  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    noticeable upgrade from the i7.

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

    Great quality for the price, noticeable upgrade from the i7.

    I would recommend this to a friend