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Antec EA500 ATX 12V 500W Power Supply for ATX Cases

4.1 out of 5 stars 35 customer reviews

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  • 80mm low noise cooling fan
  • Dual 12V outputs: 12V2 for Motherboard and peripherals; 12V1 for processor
  • Industrial-grade protection circuitry prevents damage resulting from short circuits, power overloads, over voltage, and under voltage
  • 80 PLUS certified
  • 4 SATA connectors
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Technical Details

  • Brand Name: Antec
  • Model Number: EA500

Product Description

500w P/S Atx12v V2.2 Pwr 80mm P/S2 Fan 80-Plus Certified

Product Information

Product Dimensions 5.5 x 5.9 x 3.4 inches
Item Weight 5.3 pounds
Shipping Weight 5.2 pounds
ASIN B000KRTBJY
Item model number EA500
National Stock Number 6130-01-566-3889
Customer Reviews
4.1 out of 5 stars 35 customer reviews

4.1 out of 5 stars
Best Sellers Rank #1,556 in Electronics > Computers & Accessories > Computer Components > Power Supplies
Date first available at Amazon.com November 18, 2006

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Just as the other reviewer has mentioned, the first unit had high pitched noise issue. I waited about four days to make sure that it is permanent issue, and had it exchanged for the same unit.
Second unit, to my relief is quiet and without a drama to report on. It is relatively quiet, about as quiet as the OEM unit that died on me after 14 months of service. I took quick wattage reading from my APC, and it drains about as much as my OEM unit, which was rated at 350W.
Something to watch out for: Antec recently phased out EA-500 and replaced it with EA-500D, which is made by Delta, and not Seasonic as EA-500 (this unit). Delta is known for making OEM products, but their reputation is still pretty much unknown.
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Verified Purchase
I ordered this item through one of Amazon's other providers. Unfortunately they sent me a 250 watt Dell power supply. It was in the correct box but no where near the specifications of what I ordered. I ended up buying this power supply from my local Frys Electronics. Amazon has reimbursed me for the charges including shipping charges. I needed to upgrade the power supply in a used Dell computer I had recently purchased. I installed it a couple of days ago and I'm satisfied with its performance. It has many connectors, more that the one it replaced, so it would be suitable for most any installation. It's media drive connections are for SATA devices. Its installation went very well, the only exception being what to do with the extra cables.
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I have been using the Antec EA500 for about 6 moths and have had no problems. I am using it with an Athlonx2 2.8Ghz overclocked to 2.96Ghz, Coolermaster CM 690 case (with 4 case fans), GeForce 9800GT, ASUS M3N78-VM motherboard, 4Gb OCZ 800Mhz RAM, one DVD burner and one 500Gb hard drive.

The PSU has given me no problems and is easily able to provide all the power I need and then some.

***Update 2 years later***
This power supply is still working great, I am looking to upgrade due to the amps on the 12v rail but will still use this in my second computer. I have had no issues with it, ever. It has been swapped into about 3 different computers at this point. Great item.
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Verified Purchase
This has been a great power supply. It has plenty of connectors and has been able to satisfy the load without issue. I can't ask for much more, especially since it has lasted for well over a year.
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I bought this to replace an Antec SP-500 and it works great and its not as loud as people say it is on these reviews. I would recommend it to anyone.
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By Wing on November 9, 2007
This unit emits a high-pitched electronic buzzing sound when the computer is running. It's not loud, but it's right at the frequency range where it's annoying and hard to ignore. I tried two different units and both had the exact same problem. I did a little searching and found other reports of this issue, so it's not just my setup. This is very unfortunate because other than the buzzing sound this unit works great, runs cool, and the cooling fan makes almost no noise. This would have been the perfect unit for my purposes, but because I am in a quiet home environment and can't endure that buzzing sound I have to look for something else.
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By Kazaam on October 26, 2011
Verified Purchase
First impression with this is that it was quite heavy, which is always a good sign when looking for quality in a PSU. It runs very quietly which I love. Has plenty of connectors and was very easy to install (nothing new here). So far it has been reliable. Definitely recommend this. Nice efficiency too...
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Verified Purchase
I purchased this to power supply to replace a noisier, like-powered unit I bought off ebay. It powers a "homemade" unit that I run. At first, it was a great relief from the noise the older one made, and I decided not to shut it down as often as I had the other. After two months, or so, when I shut it down and then, subsequently, turned it back on, some of the start-up noise pollution returned, but not as pronounced or long-lasting as the older Cooler Master. After starting it up and letting it settle down, it runs a little bit louder than my other homemade "rig", which has a 300-watt PS, (I believe it's an Allied). Now, I have two new HP systems that run virtually silent, and I have to say, I'm spoiled by them. All things considered, this was a (good) replacement, at the time, for my larger of the two older rigs.
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