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Cooler Master eXtreme Power Plus 500w Power Supply (RS500-PCARD3-US)

4.1 out of 5 stars 590 customer reviews
| 45 answered questions

Price: $178.99 + $6.27 shipping
Only 1 left in stock.
Ships from and sold by BinkieMelane.
500 Watts Size Chart
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  • Multiple protection design
  • More than 70% efficiency
  • Super silent operation with intelligent fan speed control
  • Green power design to meet with energy star
  • Compliance with the newest Intel std ATX 12V V2.3
  • Maximum Power: 500 W
  • Type: ATX from factor 12V V2.01
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4 new from $160.00 7 used from $18.00 6 refurbished from $49.11

Prepare your graduate for life after school with a new Intel-powered PC
Longer battery life and faster performance. Learn more
$178.99 + $6.27 shipping Only 1 left in stock. Ships from and sold by BinkieMelane.

Frequently Bought Together

  • Cooler Master eXtreme Power Plus 500w Power Supply (RS500-PCARD3-US)
  • +
  • Asus 24x DVD-RW Serial-ATA Internal OEM Optical Drive DRW-24B1ST (Black)
  • +
  • Western Digital 1TB SATA 7200 Rpm 64MB 3.5in 6GB/S, Color Caviar Blue
Total price: $251.81
Buy the selected items together


Technical Details

Size: 500 Watts
  • Brand Name: Cooler Master
  • Model Number: RS500-PCARD3-US

Product Description

Size: 500 Watts

Super silent operation with intelligent speed fan control, green power design to meet energy star

Product Information

Size:500 Watts
Product Dimensions 5.5 x 3.2 x 6 inches
Item Weight 3.5 pounds
Shipping Weight 3.5 pounds (View shipping rates and policies)
ASIN B001G0WPLK
Item model number RS500-PCARD3-US
Customer Reviews
4.1 out of 5 stars 590 customer reviews

4.1 out of 5 stars
Best Sellers Rank #429 in Electronics > Computers & Accessories > Computer Components > Power Supplies
Date first available at Amazon.com September 13, 2008

Technical Specification

Warranty [pdf ]

Warranty & Support

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

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Customer Reviews

Top Customer Reviews

By Erika on January 18, 2011
Size: 550 Watts Verified Purchase
I got this power supply for my husbands pc. We got him a new video carded and needed a bigger supply also the fan was going on his old power supply. I LOVE that it has power connectors for video cards you dont have to use the ones that come in the video card box. After everything was said and done I turned on his pc and...I had to check it was even on lol. This power supply is amazing and he loves it to death. My pc is louder then his now and he brags about it haha.
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Size: 600 Watts Verified Purchase
Works great with; my NVidia GTX 560 Ti video card (according to NVidia, required at least a 400W power supply), my Intel 2nd generation i7 2600K 3.4 GHz processor, and my corsair vengeance 8GB DDR3 memory cards
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Size: 550 Watts Verified Purchase
I have been building pcs now for many years.coolermaster in the past has made some so so power supplies.this one however seems to be a very good power supply.the build quality is good.has a heavy heat sink and all rails are within .05 volts of stated voltages.lastly the cooling fan is very quite.cooler master has always made great cpu heatsinks/fans,cases,and case fans now it seems they make good power supplies too.I would put this next to a ocz or antec for build quality anyday.great buy..
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Size: 500 Watts Verified Purchase
First of all; purchased this product from AMAZON...had the usual all around great buying experience. I have a 7 year old DELL XPS400 desktop. The fans and hard drive were getting noisy, so being a fairly accomplished DIY'er I decided to give a shot at refurbishing the unit by installing a new power supply, heat sink fan, hard drive(Western Digital 500GB, also from AMAZON),and WiFi card. I did my homework on the project, discovering that DELL's OEM 375 watt power supply (BIG $$$) is not proprietary. It can be replaced by a myriad of generic power supplies of at least 375 watts, most of which provide more than enough required connectors. I chose the COOLER MASTER based on price and AMAZON reviews. It matched DELL's mount up perfectly. COOLER MASTER uses a "shotgun" approach with connectors and leads; giving more than you'll probably need, thus making it versatile enough to be used it many applications. Everything plugged in, requiring only a minor rerouting of the SATA power supply cable, which came up a little short on the original route. After install, first time turned on...it worked perfectly. What I consider a plus is the large fan; which not only gives great cooling for the power supply, but provides additional air circulation within the tower enclosure. Gave it a 4 Star, will upgrade that to 5 Star if it's still performing well 6 months from now.
UPDATE: Well, it's now been around 10 months since I installed this product and it's still performing as good as it did on day number one. Upgraded rating to a 5 star.
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Size: 700 watts Verified Purchase
I had a 700 watt Xtreme gear ATX PSU, and damn I can't tell you how happy I am I made the change.
This thing is incredibly QUIET!! And I mean it. very, very, very easy to install. It was my first time
and I feel as if I could build a computer now. Which I am planning on. It was fun taking apart my CyberPower PC
and putting this in. The only thing I didn't have to take out was the MoBo. I am incredibly happy with this
PSU. Supports 24 pin and 20 pin MoBo connectors!
6 Comments 30 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 500 Watts Verified Purchase
The power supply installed easily, has plenty of plugs for all drives, cd, board, etc. Runs VERY quiet, and I like the extra large fan to keep it cool.
It was delivered on time, and the price is right.
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Size: 500 Watts
You just cannot beat this unit. There are much lesser quality power supplies out there for twice the price. It has a huge fan, so cooling is no problem, but it's whisper quiet as well. My computer runs cooler, quieter, and faster thanks to the cooler master. Very easy to install. Just leave the leads from your old power supply connected, and replace with the leads from this unit one by one, and attach to your computer's case. Easy as pie. I don't know what others are talking about saying the connectors are a hassle. They fit perfect in my equipment, and they are definitely a higher quality plastic than any others that I've seen.

The biggest advantage, besides the price is unlike most units, the fan is on the inside of the case. This makes it so it cools the CPU as well, making it so that fan doesn't have to work as hard... which is why this unit makes my computer almost silent.
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Size: 500 Watts Verified Purchase
I swapped out a 300W OEM PSU with this unit and I noticed less fan noise immediately. It's very quiet compared to the original PSU. I am planning to add a graphics card in the near future so this is working out quite well so far.
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