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Corsair CX Series, CX430, 430 Watt (430W) Power Supply, 80+ Bronze Certified

4.3 out of 5 stars 3,798 customer reviews
| 1000+ answered questions

List Price: $54.99
Price: $42.95 & FREE Shipping on orders over $49. Details
You Save: $12.04 (22%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
430 Watt
    This fits your .
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  • 120mm fan provides low-noise airflow by varying fan speed in response to temperature.
  • 80 Plus Bronze-certified to deliver 80% efficiency or higher at normal load conditions.
  • 0.99 Active Power Factor Correction provides clean and reliable power.
  • Universal AC input from 90~264V. No more hassle of flipping that tiny red switch to select the voltage input.
  • A dedicated single +12V rail offers maximum compatibility with the latest components.
96 new from $42.95 6 used from $29.99 1 refurbished from $163.78

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$42.95 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Corsair CX Series, CX430, 430 Watt (430W) Power Supply, 80+ Bronze Certified
  • +
  • WD Blue 1TB SATA 6 Gb/s 7200 RPM 64MB Cache 3.5 Inch Desktop Hard Drive (WD10EZEX)
  • +
  • Microsoft Windows 10 Home 64 Bit System Builder OEM | PC Disc
Total price: $185.93
Buy the selected items together

Product Description

Size: 430 Watt | Style: Non-Modular

Product Description

The Corsair Builder Series of PSUs are designed for worry-free compatibility for your home desktop PC system build or upgrade. With features usually reserved for premium power supplies, it’s a great choice for systems where continuous and reliable power delivery and low noise are essential.
Customer Service / Tech support: 1-888-222-4346 opt. 1

From the Manufacturer

CX Series power supply units are an excellent choice for basic system builds and desktop PC computer upgrades. CX Series PSUs are available in a variety of power configurations, and include features that are normally found only on premium power supplies.


CX Bronze Series PSU
Reliable and Compatible

CX Series is built and tested to strict standards for trouble-free installation and smooth operation.

Low Noise

The 80PLUS Bronze certified efficiency and clever fan design allow for little or no detectable fan noise during regular operation.

Good Looks

The matte black finish, black-sleeved cables and black connectors help give your system a restrained, high-tech look.


Corsair Engineering and Quality Control

Every Corsair power supply is designed by our California engineering team and built to our exact specifications. The same care that goes into the design and testing of our renowned high-power enthusiast power supplies also goes into the CX Series, because you need confidence and reliability regardless of your build budget.

Ample Connectors and Long Cables

Long cables make CX Series suitable for installation even in full-height tower cases, and the generous cable count allows you to power multiple components and storage devices.

Large-Diameter, Thermally Controlled Fan

Once you’ve installed a PSU, you shouldn’t have to think about it. Employing a thermally controlled fan makes the CX Series quiet at idle, and the large diameter reduces noise even when you’re pushing your system hard.

Black Goes with Everything

You’re building a PC, not a battleship, and appearance counts. The matte black finish and all-black sleeved cables and connectors help give your system a high-tech, restrained look.


Dimensions (W x H x L) 150mm x 86mm x 140mm 150mm x 86mm x 140mm 150mm x 86mm x 140mm 150mm x 86mm x 160mm
Power 430 Watts 500 Watts 600 Watts 750 Watts
80 Plus Bronze Bronze Bronze Bronze
ATX Connector 1 1 1 1
EPS Connector 1 1 1 1
PCI-E Connectors 1 2 2 4
4 Pin Peripheral Connectors 3 4 4 6
SATA Connectors 4 5 6 8
Floppy Connectors 1 1 1 2
MTBF 100,000 hours 100,000 hours 100,000 hours 100,000 hours

Product Information

Size:430 Watt  |  Style:Non-Modular

Technical Details

Collapse all
Brand Name Corsair
Item model number CP-9020046-US
Hardware Platform nintendo wii u
Item Weight 4.5 pounds
Product Dimensions 5.5 x 5.9 x 3.4 inches
Item Dimensions L x W x H 5.5 x 5.9 x 3.4 inches
Color Black

Technical Specification

Warranty [pdf ]

Additional Information

Customer Reviews
4.3 out of 5 stars 3,798 customer reviews

4.3 out of 5 stars
Best Sellers Rank #43 in Computers & Accessories > Computer Components > Power Supplies
Shipping Weight 5 pounds (View shipping rates and policies)
Date First Available August 24, 2012

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
For warranty information about this product, please click here [PDF ]


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Style Name: Non-ModularSize: 750 Watt Verified Purchase
When it comes to Power Supplies, never be stingy and spend a good amount on a solid one. Corsair is one of the most well known PSU companies and their supplies are up top in terms of qualities and specs. When it comes to buying a power supply it is important to remember that two things are needed:
1. Enough watts, look up the total watts of everything you own and buy a power supply that is at least 100w more so as to give you enough headroom for upgrades or overclocking if thats your cookie.
2. Enough Amperage. This is veryyy important. The +12v rail is whats important as most modern cards require a minimum of 25A on a single rail. Dual rails are also nice if they are each at 25. For example, my XFX DD Black edition Radeon HD 7970 will not run on my old psu. It was a solid Rosewill 600w psu which had more than enough watts to run it, however, the thing maxed at 35A on both rails together. The minimum needed for the card was 36. This PSU, has 750w and the following ratings on each charge: +3.3V@25A, +5V@25A, +12V@62A, -12V@0.8A, +5VSB@3A.
+12v@62A is excellent for the card now. This also gives me headroom if any future parts require more Amperage or watts. The price is seriously perfect here on Amazon. The power supply retails for 100 bucks on other sites.

-Great price
-pci express power at 62A (+12v)
-sleeved components with the cables reaching full tower( they arent short cables so it works on an NZXT Phantom and an Antec twelve hundred tower.) Both of which are full towers.
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Style Name: ModularSize: 750 Watt Verified Purchase
I originally purchased the Corsair GS 700. They bill that model as a gaming PSU. Once installed, the PSU made a chirping noise (like a hard drive read/writing, but at a higher pitch). After searching youtube and reading more on the Corsair forums, I found this was a widespread "issue" with the GS 700. The GS model "features" a "smart" fan, which only runs when the load/temperature demands it. What I found is the fan was confused if it should run or not (attempting to kick on, chirping noise, kicking on and it running fine, then back to attempting to kick on and chirping).

When asking about this on Corsair's forums, they recommended an RMA for the same unit. Based on the many youtube videos documenting this noise and the numerous posts around this, I simply returned my unit to Best Buy for a full refund.

In looking into the Corsair models more, the CX is a lower model PSU. Anything above the CX model has the "smart" fan, which I did not want. This led me to this model.

- Great power supply
- Features a constantly running fan (at variable speeds depending on load/temp)
- Modular cabling, which allows for clean cable runs and reduces unneeded wires
- Low noise even with fan constantly running, even at higher loads/temps

While they tout the "smart" fan as a feature, for a gaming rig, I look at it as a drawback. The more airflow, the better.

I have been impressed with CX series and have not had any issues with the PSU. It is structually sound and appears solidly built. Highly recommend this unit to anyone looking for more power in their PC.

My rig:
Dell XPS 8100
Intel i7
250 GB Samsung SSD
3 TB Seagate HD
nVidia GTX 660 Ti (requires dual PCIe power adapters)
Dell 23" LED Monitor (DVI)
Sony Bravia 32" LCD TV (HDMI)
3 Comments 104 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Style Name: Non-ModularSize: 500 Watt Verified Purchase
This is a great deal for an 80 Plus Bronze certified 500W power supply. If you are running any machines 24/7 on power supplies that aren't 80 Plus certified, let alone Bronze, Silver, Gold or Platinum, there are a good amount of power savings to be had. For the layman, anything labelled 80 Plus certified means it is 80% efficient at 20,50 and 100% loads. Bronze, Silver, Gold and Platinum are even more efficient, respectively.

I had thought that I had tuned my file/media server/video encoder to be pretty energy efficient. It consisted of an i5 2500k, 16GB DDR3, no video card, 5 WD Green drives, 3 WD Black drives, one SSD, two internal PCIE SATA 3 extenders, and a BD-R drive, running Win 7 Professional 64. It consumed about 62 Watts at idle, and 73-80 Watts under moderate load, when streaming or transcoding high bitrate 1080p video. Not bad, and about the same as leaving a single incandescent lightbulb on. All of this was powered by a several year old sturdy Thermaltake Purepower 500 (W0100RU). The old power supply was not 80 Plus certified.

I got this Corsair 500W 80 Plus Bronze power supply because the price is fantastic at around fifty dollars, and the old power supply was getting loud. I wasn't expecting phenomenal power savings, but according to my UPS wattage reading, this power supply is kicking butt! My file server now idles around 40W and operates at 56-63W under moderate load. These are big, big savings. I had no idea my old power supply was so energy inefficient. Considering the higher electricity cost in Southern California, this power supply will save me about $4 each month, possibly more if it helps prevent me from crossing into higher Tier level payments.
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