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CORSAIR CX Series CX450 450W ATX12V 80 PLUS BRONZE Certified Active PFC Power Supply

Ships from United States.

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  • 80 Plus Bronze: Runs cooler and uses less power than less efficient power supplies
  • 5-year warranty: Backed by Corsair’s legendary technical support and customer service
  • Black housing, cable sleeving and connectors: Give your build the high-end look without breaking the bank
  • Thermally controlled 120mm fan: Quiet operation across a wide range of loads
  • LLC resonant topology with DC to DC: Ensures improved efficiency at lower loads and compatibility with all modern day chipsets and CPUs.

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Corsair CX450

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Get your computer working again

Pros: It was easy to change the power supply. My computer took a lighting surge and it took out the power supply. Now it is back running again.

Cons: This was an exact change.

Other Thoughts: This is something anyone can change out on a computer.

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
Works fine so far, and I got the rebate

Pros: No problems with it so far (just completed build today). Very flexible cables make it easy to work with even though it isn't modular. It made hooking everything up easy. Another pro is this was very cheap after the rebate, which I DID GET from Corsair after about 8 weeks. I was expecting to get cheated by them after reading all the negative reviews, but I got my rebated card and immediately invested it in more parts from Newegg.

Cons: Haven't been able to test how it performs under a heavy load yet since my system is only drawing around 90 watts under full load. It might get loud, I just don't know.

Other Thoughts: For the purpose I used it for, an ultra-budget APU build, I would definitely recommend this power supply.

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
Sexy PSU!

Pros: - Soft, Sleek cables that are Jet Black. Awesome!
-Powers my 4th Gen i5 , GTX 1060, & 16GB or RAM with no issue. I can even push an OC on the GPU.

Cons: - First PSU had a faulty CPU rail, Newegg replaced ASAP no questions asked.

Other Thoughts: Newegg, you guys are Kings

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Ownership: 1 month to 1 year
Verified Owner
1/ 5
Rebate a scam

Pros: Unit is working

Cons: The rebate is a scam. I have done many mail in rebates in the past so I know how to submit. They rejected mine saying I either did not include the receipt or the receipt doesn't have the purchase date which is not possible. Asked me to resend which I did. Now said have not received the resubmission.

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Ownership: 1 month to 1 year
Verified Owner
4/ 5
Made it right

Pros: Great price and customer service.

Cons: First unit had issues. Installed and one RAM slot wasn't recognized. Trouble shot for motherboard, but eventually PC would power on for a few seconds and then power off no error code. Tried alternative PSU, ram slots were all recognized and system booted.

Other Thoughts: Contacted Corsair, customer service was great. Original unit was shipped back and new unit arrived a few days later with all shipping paid by Corsair. System is now up and running no issues. This is the first unit from Corsair out of six purchased I have ever had issues with. One egg off for what I have to assume was failure at quality control level.

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
Great for low cost HTPC !

Pros: Works just fine and is not noisy

Small enough for mATX and some mITX builds. It's 140mm or 5.51 in

All black cables so if you have a windowed PC you cabling doesn't look like hamburger condiments

Well worth the price and I trust Corsair

450w is plenty for HTPC with up to low-mid range components and the power is very steady, I.E not a ton of ripple

Cons: nothing

Other Thoughts: I bought the 500w to for a friends build and it works just as good

This is in the HTPC I built and I am using to write this review

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
Impressive Product

Pros: Quiet, sufficient connectors

Cons: Doesn’t come with mounting screws

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Performance and Value

Pros: Low noise, no coil whine
Low Ripple
Solid Efficiency
Reasonable price
SATA plugs are on two separate cords, so, cases with separate chambers for 3.5 inch drives and 2.5 inch drives are covered for at least two each.

Cons: Only one 6+2 Pin PCIe connector
Only 80+ Bronze efficiency (yes, I am spoiled, don't judge)
Really, there is not much to complain about here.

Other Thoughts: So, if you are like me, and have a GTX 970, R9 380(X) or another graphics card with two 6-pin PCIe plugs, well, you will need an adapter. I would recommend a MOLEX to PCIe for this scenario. Since 2014 or so, though, graphics cards have become vastly more efficient, so, you can run virtually anything up to an RTX 2070 on this PSU nowadays.

Speaking of efficiency, I am a big fan of so-called "Green Computing." Admittedly, that is a rather antiquated term, but, I hope you can forgive me. That is, we should all do our part to reduce our power costs. That being said, I do wish that they had an 80+ Gold version of this same PSU, but at the time of my purchase, only the 550 watt versions and above had the Gold certification, which is a little disappointing.

That being said, I don't wish to be too picky, this is a fantastic PSU for its price, particularly if you can see a mail-in rebate, like I did. I think that you will be quite happy with this unit.

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