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 4 Showing 61-80 of 732 reviews
Pros mentioned:
Power supply
Rated 5 out of 5 stars
Worked great on install and since
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I give this all high marks. It was easy to install and saved my computer. The only thing I didn't like was the Geek Squad telling me I'd have to bring in the computer to make sure it wasn't the motherboard and that it was going to run me money for them to troubleshoot it. I understand their time is worth a lot of money but we really didn't have the money to spend on troubleshooting and the part so my husband plugged in another power supply from another computer just to see if it would allow the computer to turn on even though it was a different power supply from a different computer. It did power up so we immediately knew it was the power supply so we purchased a new one and installed it. Hope this helps someone else along the way.
I would recommend this to a friend
Pros mentioned:
Power supply
Rated 5 out of 5 stars
Perfect Replacement
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This reviewer received promo considerations or sweepstakes entry for writing a review.
When my computer failed to turn on I was quite upset, as my genealogical data was all stored there! Because it is an older unit everyone said I should just ditch it......but I needed the data (now stored on separate drive) so we purchased this new power supply and my old workhorse is back in business!
I would recommend this to a friend
Pros mentioned:
Power supply
Rated 5 out of 5 stars
Quiet
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This reviewer received promo considerations or sweepstakes entry for writing a review.
My computer was making a lot of noise and my Power Supply was going out, This was recommended by the Geek Squad and I went ahead and purchased it, It is super quiet and runs perfectly in my computer. They installed for me right there in the store while I waited and they were super friendly and helpful.
I would recommend this to a friend
Pros mentioned:
Price
Rated 5 out of 5 stars
Good for the price
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Good piece of equipment for the price, needed one immediately and didn't have time to wait, was thankful Best Buy had these in stock. Good for entry level machines, not for gamers etc. but perfect for a pc that is used for office applications and web surfing all day.
I would recommend this to a friend
Pros mentioned:
Power supply
Rated 5 out of 5 stars
So happy!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Customer Service immediately knew what my problem was when I took my PC tower in for service. The power supply!! The other one wore out and was dirty. They showed me how to open back to periodically clean out dust. Very happy with product working smoothly and quietly.
I would recommend this to a friend
Pros mentioned:
Power supply
Rated 5 out of 5 stars
My power supply and thermal paste is great!!!!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Great power supply runs all my stuff at a smooth rate and very quit. So pleased with it thank you. The thermal paste i bought "Thermaltake TG-7 Thermal Grease is probably the best thermal compound ive seen around are area. Great job keep it up
I would recommend this to a friend
Pros mentioned:
Ease of use
Rated 5 out of 5 stars
Replaced my computer's failed P.S.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I am so glad that Best Buy had this in stock. The power went out in my business and I quickly needed another power supply. I installed this in less than thirty minutes and had my PC up and running and my business functioning again!
I would recommend this to a friend
Pros mentioned:
Power supply
Rated 5 out of 5 stars
Replacement power supply
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This reviewer received promo considerations or sweepstakes entry for writing a review.
My Dell computer would not turn on and getting it repaired was just a matter of looking for the right power pack. I found a compatible power pack at at reasonable price. It was a 15 minutes job of removing the faulty part and putting it back in. Simple job!
I would recommend this to a friend
Pros mentioned:
Price
Rated 5 out of 5 stars
Great value for the price.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I was looking to get my PC up and running after its power supply went out. Picked this up at my local Best Buy and within 10 minutes I was back in business. The wattage was sufficient for my PC's needs and the price was excellent.
I would recommend this to a friend
Pros mentioned:
Performance
Rated 4 out of 5 stars
Power Supply
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This was a snap to install and has worked perfectly - no problems
I would recommend this to a friend
Pros mentioned:
Power supply
Rated 5 out of 5 stars
All I needed.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
When the hurricane came close enough to give us some rain, the power went out in my apartment. This had happened before, but finally my computer quit booting. Thankfully, a new power supply was all it needed and it's run great since!
I would recommend this to a friend
Pros mentioned:
Power supply
Rated 5 out of 5 stars
Works GREAT
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This reviewer received promo considerations or sweepstakes entry for writing a review.
My computer was making a hum at start up. Would go off after a few minutes but after a few weeks it continued to hum as long as it was on. figured out it was power supply and replaced it with this one. am very satisfied.
I would recommend this to a friend
Pros mentioned:
Price
Rated 5 out of 5 stars
Easy install
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This purchase saved me $$$ in computer repair technician charges. Got on internet and found how to make the repair myself. Best buy price was very competitive. Had the power supply installed about a month now with no problems. Great purchase.
I would recommend this to a friend
Pros mentioned:
Price
Rated 5 out of 5 stars
Just what I needed
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This reviewer received promo considerations or sweepstakes entry for writing a review.
A friend's older computer had a power failure and I needed one real quick to replace it to get her going again. Ordered online and picked up in 30 minutes. Great unit at great price. Had all the cables I needeed.
I would recommend this to a friend
Pros mentioned:
Noise level
Rated 5 out of 5 stars
Replacement part
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This was installed in my computer to replace the part that failed in my computer. When I got my computer back I was very pleased at the quiet operation of this unit. A big difference from my old on. Very happy
I would recommend this to a friend
Pros mentioned:
Ease of use, Noise level
Rated 3 out of 5 stars
Easy to Install and quiet
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Power supply is easy to install and runs quiet. Plenty of connectors and wrapped well. I have purchase Isignia before and they work well but do not last as long as other power supplies I have purchased in the past. I never shut my computer off.
I would recommend this to a friend
Pros mentioned:
Power supply
Rated 5 out of 5 stars
Great power supple larger than what came with PC
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Great power supple larger than came with PC like new almost after putting Windows 10 on old one died but may have been five years old or more so maybe just time glad they could get it back up and going with this.
I would recommend this to a friend
Rated 5 out of 5 stars
Easy
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Even though the my power supply was not the problem after replacing it with this new power supply I'm still happy with it. It works and was easy to install. (it was my power button that actually needed replaced)
I would recommend this to a friend
Pros mentioned:
Noise level
Rated 5 out of 5 stars
So far, so good.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Nice little power supply, had the connectors and power I needed. The fan is pretty quite. I installed this on a PC running 24x7. 400w should be adequate as long as you don't have a high-powered video card.
I would recommend this to a friend
Pros mentioned:
Power supply
Rated 4 out of 5 stars
Brought my Computer Back to Life
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Geek Squad wanted a few hundred $ to join their plan and diagnose the reason my computer was not turning on. Before you do that, purchase this power supply and install yourself (no experience needed). Just a few screws and a few connections and my dead computer came to life. Its been working great.