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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 18 Showing 341-360 of 452 reviews
  • Pros mentioned:
    Processor speed

    Rated 5 out of 5 stars

    Fast and so far reliable

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

    Fast and so far reliable. Really helped reduce my game load times.

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

    Rated 5 out of 5 stars

    Good processor

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

    Great processor, it does what it is supposed to do

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Got it on sale

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

    Easy to install, planning on getting 10th gen later

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

    Rated 5 out of 5 stars

    Awesome for Gaming/Multitasking

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

    Love the new 300 Series cpus. Fast and powerful. :)

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

    Rated 5 out of 5 stars

    As advertised

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

    Speed and efficiency amazing. Very good investment.

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

    Rated 5 out of 5 stars

    Awesome!

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

    Top of the line CPU for our ultimate gaming rig!!!

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

    Rated 5 out of 5 stars

    Over clock

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

    Was able to get 5ghz easily. 1.336v and great branch mark results.

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

    Rated 5 out of 5 stars

    Upgraded from i7 7700

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

    Unbelievable processor worth the price I paidI have no complaints

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

    Rated 5 out of 5 stars

    Simply awesome!

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

    Lots of power to keep a high end cpu scorching along!

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

    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.

    Fast shipping! Works as advertised. Easy to overclock.

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

    Rated 5 out of 5 stars

    So far so good

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

    so far so good, cpu is running around 4.6 ghz, pretty fast

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

    Rated 5 out of 5 stars

    Fast processing

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

    Amazing processor. Very fast. Was definitely worth the money.

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

    Rated 5 out of 5 stars

    Must have

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

    Low temps super fast processor great for gaming and editing

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

    i9 Processor is Great

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

    I decided to build my own computer and had an i7 8700k but decided to upgrade to the i9 9900k. This will give me many years of good use without the need to upgrade again any time soon. Great processor power for any game you want to play and is exceptional for any type of office work.

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

    Rated 5 out of 5 stars

    Great CPU

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

    Very fast cpu, i havent had any issues with this cpu

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

    Geek squad agent

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

    I need to say that Dana is the most amazing person ever !! You are so lucky to have him working for you!! Not only was the product we purchased great! But Dana took the time to help my 13yr kid son with his MANY gaming questions! I really can’t say enough good things about him! A true saint!

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

    Rated 5 out of 5 stars

    Fast and Fast

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

    Work perfect with the upgrade, speed improve a lot

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

    Rated 5 out of 5 stars

    Excelente

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

    The best CPU for gaming and Multy tasking for all.

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

    Rated 5 out of 5 stars

    The beast......

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

    Really fast and powerful...........................

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

    Rated 5 out of 5 stars

    I9

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

    Wow is very fast I did overlook 5.1 maximum I like it

    I would recommend this to a friend