Winter SaleEnds 1/19. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product SearchGo to Footer
Main Content

Customer Ratings & Reviews

No content
  • Front. Insignia™ - 400W ATX Power Supply - Gray.

Insignia™ - 400W ATX Power Supply - Gray

Model:
NS-PCW4050
SKU:
5610074
Highly rated by customers for:
Your price for this item is $19.99
Clearance
The comparable value price is $39.99

Customer reviews

Rating 4.7 out of 5 stars with 732 reviews

Rating Filter

Pros mentioned filter

Cons mentioned filter

There aren't enough negative mentions yet.
98%
would recommend
to a friend

Customers are saying

Customers are delighted by the 400W ATX Power Supply's reliable performance, ease of installation, and quiet operation. Many appreciate its reasonable price and the inclusion of all necessary connections for various components. The power supply is praised for its ability to improve computer performance and its simple installation process. Positive feedback consistently highlights the product's functionality and value.

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 29 Showing 561-580 of 732 reviews
  • Pros mentioned:
    Noise level

    Nice Power Supply

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

    Nice power supply. Good performance and very quite. Very happy with the purchase.

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

    Great power supply

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

    Does everything required and was a good price. Installed by the Geek Squad for me.

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

    Worked as advertised.

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

    Great price and worked as advertised. Replacement for a Dell Dimension 4700 power supply.

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

    works great

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

    Needed a new one for my desktop - the geek squad guy recommended this one it works great

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

    Great Fan

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

    Worked Great. easy to install. Make sure you have a large Philips head though

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Worked great

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

    My computer was broke. Watched utube to troubleshoot. Bought powersupply. fixed problem

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

    It's a great product

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

    It's a great product, still works seems like it's a little faster no problem

    I would recommend this to a friend

  • Good item for desktop computer

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

    Good replacement for desktop. Connections are good and fits in tight space. Good value

    I would recommend this to a friend

  • Gets the job done

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

    Has held up for 6 months now no problem with it at all. Easy installation.

    No, I would not recommend this to a friend
  • Pros mentioned:
    Ease of use

    Replacement Power Supply

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

    This was a replacement power supply for my desktop. It was easy to install.

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

    Great!

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

    This is a great product. I had no trouble with it. It was easy to install.

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    GOOD PRODUCT

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

    This power supply was just what I needed to get my pc up and running again

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

    Works Great

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

    I have not had any issues regarding this unit and it was really easy to install.

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

    Works great!

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

    For a budget supply, it works great! Highly recommend for a base system.

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

    Great replacement part

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

    It brought my computer back to life for a very little amount of money.

    I would recommend this to a friend

  • Works just not in my PC

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

    Bought to replace a failed PS in my Dell Tower. Did not work as it would boot but not sustain enough power to keep the computer going. I returned for refund.

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    it was just what I needed

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

    The Insignia - 400W ATX power supply did what it said it would do. Love it!

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

    Decent fan, good price

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

    Needed to replace a dead fan in a desktop. Good fan, good price. Works well.

    I would recommend this to a friend

  • Great value

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

    Great value, easy to install and great warranty. No problem after install.

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

    Just right for my cpu

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

    Good shelf product easy to locate good price quite power supply

    I would recommend this to a friend
Page 29, Showing 561-580 of 732 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.