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Customer Ratings & Reviews

Your price for this item is $104.99

Customer reviews

Rating 4.8 out of 5 stars with 2339 reviews

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Rating by feature

  • Value

    Rating 4.8 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 highly value the 4000D Airflow ATX Mid-Tower PC Case's excellent airflow and spacious design, finding it easy to build in and manage cables. Positive feedback also highlights the case's size and price. While some users noted minor concerns regarding the side panel and tempered glass, the overall experience is overwhelmingly positive.

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 30 Showing 581-600 of 2,339 reviews
  • Pros mentioned:
    Airflow, Space

    Rated 5 out of 5 stars

    Great Airflow Mid-Tower Case

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

    Great case! Good for airflow. Open and spacious to build in. I like the dust filters and esthetic.

    I would recommend this to a friend
  • Pros mentioned:
    Airflow, Space

    Rated 4 out of 5 stars

    Good for the price

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

    Nice sturdy case with a good amount of space inside for activities. Airflow is insanely good and it even has slots for vertical mounting. 4 star due to size constraints when water cooling with a 360mm or 280mm radiators. Issues that are not present on the Corsair 5000D.

    I would recommend this to a friend
  • Pros mentioned:
    Airflow, Cable management

    Rated 5 out of 5 stars

    Corsair is top notch! Great first pc case builder

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

    Building your first PC? This case makes it easy! Included fans are nice and overall a great looking case. Cable management in the back is EASY! Plenty of room for anything you want to put in it!

    I would recommend this to a friend
  • Pros mentioned:
    Airflow, Cable management

    Rated 5 out of 5 stars

    Nice case

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

    I got a this for a decent price and while it only has two fans with it, it keeps my system cool. I have an old graphics card, so it's not being tested to its fullest, but I'm very happy with it so far. It also has plenty of room on the side for cable management, which is nice.

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

    Rated 5 out of 5 stars

    Excellent Case

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

    Case has excellent airflow and is easy to setup. Has plenty of cooling setup options without being to large as well.

    I would recommend this to a friend
  • Pros mentioned:
    Airflow, Cable management

    Rated 5 out of 5 stars

    Elegant Computer Case

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

    A high quality, beautiful computer case. It includes 2 fans for cross flow. Design is well laid out to install all components and provides several cable management features. The smoke glass panel on the side shows off motherboard LEDs.

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

    great case

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

    great case for great price. easy to set up. every air intake has magnetic mesh covers. easy to take off and clean. only thing I don't like is the lack of front facing usb ports. but at this price its hard to complain.

    I would recommend this to a friend
  • Pros mentioned:
    Cable management, Size

    Rated 4 out of 5 stars

    Great case, One small issue.

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The case is very large and spacious, great for cable-runs. The only downside I have is the lack of space in the lower area, as its hard to have any area to cable manage in the lower bays due to PSU placement in comparison to HDD stack placement.

    I would recommend this to a friend
  • Pros mentioned:
    Airflow, Size

    Rated 5 out of 5 stars

    good large case with included cooling fans

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

    Very good case. It has terrific airflow and is pretty good looking. It does look bulkier in person than in the photos, but I appreciate the size because this was my first time building a PC, so it was nice not to be working in a crowded case. Also a very fair price.

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

    Rated 4 out of 5 stars

    Great case for any size build!

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

    Really awesome case! Sleek, black design and plenty of room inside for any big build. The glass panel tint could be a little lighter as it’s hard to see inside the case. There’s a dust cover on top of the case that falls off easily. Besides that, awesome case!

    I would recommend this to a friend
  • Pros mentioned:
    Cable management, Space

    Rated 5 out of 5 stars

    Great Case

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

    Moving from an Omen 30L. Lots of space, lots of places for cables and expansion. Nice, clean look. I like the magnetic dustmat and the option to mount SSD on the rack in front of the mobo.

    I would recommend this to a friend
  • Pros mentioned:
    Airflow, Cable management

    Rated 5 out of 5 stars

    Great basic case for airflow

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    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love this case, plenty of space to build in and easy cable management. Note that if you plan on using one or more radiators, there is a more expensive model that also has room for fans on the side that you should consider.

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

    Rated 5 out of 5 stars

    Good airflow

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

    Second case I’ve built in - this one had lots of easy to use features and a nice big section in the front for a radiator. Overall really nice case for airflow

    I would recommend this to a friend
  • Pros mentioned:
    Airflow, Cable management

    Rated 4 out of 5 stars

    Solid case with good airflow

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

    I bought this case for a teenager's first desktop. It's a pretty well-made case with good airflow. Most cables are routed cleanly on the underside of the motherboard. I didn't have any problems plugging in an older power supply and getting the cables to route. It has good airflow, top-side ports for usb/usb-c, and has a clear side panel if you're into blinky lights and rainbows. The only negatives I had were (1) the case is wider than what I thought it would be from the pictures and (2) there aren't any external-facing drive bays.

    I would recommend this to a friend
  • Pros mentioned:
    Airflow, Cable management

    Rated 5 out of 5 stars

    Coolest Case Around

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent case. Airflow is incredible. Keeps my 3080 super cool. The build process was very straightforward. Relatively easy cable management. Only qualms are that the tint on the glass is a little dark and the plastic corners look not refine.

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

    Rated 4 out of 5 stars

    Easy to build in

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

    Wish it had one more usb type a port on the front and a separate mic/headphone jack instead of a combined one. The case also only comes with 2 120mm fans. You'll probably need to get some more. The airflow is great though and the case is very easy to build in.

    I would recommend this to a friend
  • Pros mentioned:
    Airflow, Cable management

    Rated 5 out of 5 stars

    Awesome case by cooler master

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    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    My son loves his new case! He loves how much room it has for cable management. Also his PC runs so much cooler now compared to his last OEM case.

    I would recommend this to a friend
  • Pros mentioned:
    Airflow, Cable management

    Rated 5 out of 5 stars

    Great case overall

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

    Awesome case, plenty of vents and room for cable discipline. I like the floor legs that are higher than normal case, allows for additional ventilation. Even more room for additional fans if you like. We got them for 3 people and everyone loves it. Highly recommended.

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

    Rated 5 out of 5 stars

    Amazing Corsair Product!

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

    Corsair is the top case maker for a reason, and this is the reason. Amazing case, easy to use and build in. Amazing airflow. Pretty much everything you could want in a case

    I would recommend this to a friend
  • Pros mentioned:
    Cable management

    Rated 5 out of 5 stars

    Awesome Case

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

    Excellent case for the price! I was impressed with the amount of features that come standard with the Corsair 400D. The snap on mesh front, and magnetic mesh top screen are features that not many other cases offer in the sub $100 category. Thermals are good as you would expect for a case with this much mesh. The case stands off the ground a good bit and should be fine if it had to sit on a low carpet. After working with a few other brands of entry level cases, I'm a believer that the built in cable management on this case is some of the best in the industry. The side panel is tinted glass and makes RGB lighting less blinding. My only gripe with the case is the included two HDD/SSD case is intended to be mounted next to the PSU, and the location of the holes makes it a bit challenging to cable manage with a modular PSU. Overall, this case looks fantastic, and has exceptional features for the price

    I would recommend this to a friend