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Corsair VX450 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan

Corsair VX450 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan - 1
Actual product may not be exactly as shown.
Corsair VX450 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan - 25472_l.jpg Corsair VX450 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan - 25472_1.jpg Corsair VX450 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan - 25472_2.jpg Corsair VX450 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan - 25472_3.jpg Corsair VX450 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan - 25472_4.jpg Corsair VX450 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan - 25472_5.jpg Corsair VX450 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan - 25472_6.jpg Customer Photos (0)
Reg. Price: $84.99  CAD
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   Shipping Weight:   8 lbs
   Part #: CMPSU-450VX
 May We Also Suggest

Features    [ Edit | History ]

Extending Corsair's legendary reputation in performance and quality, the new Corsair VX family of power supply features the industry's most efficient power management and ultra-quiet design for mainstream users. Unlike most power supplies in the market, the Corsair VX incorporates a single +12V power rail that delivers continuous power under heavy loads. This conservative design ensures reliable operation in today's most demanding system configurations and adds compatibility for future platforms. The unique combination of rock solid performance and incredible value puts the Corsair VX family of power supplies in a class of its own. Ideal for home theater PCs and Energy Star PCs, the VX line maximizes energy savings and minimum noise generation thanks to double-forward switching circuitry design.

Quick Specs:
Input Voltage 264 V AC
Output Power 450 W
Limited Warranty 5 Year
Output Voltage 3.3 V DC 5 V DC 12 V DC -12 V DC
Height 3.4"
Width 5.9"
Depth 5.5"
Number of Fans 2

Specifications    [ Edit | History ]
General Information  
     Brand Name: Corsair
     Manufacturer: Corsair
     Manufacturer Part Number: CMPSU-450VX
     Manufacturer Website Address:
     Product Model: VX450W
     Product Name: VX450W ATX12V & EPS12V Power Supply
     Product Type: ATX12V & EPS12V Power Supply
     Receptacles: 1 x 24-pin ATX Motherboard
1 x 4-pin ATX12V Motherboard
1 x 8-pin EPS12V Motherboard
1 x 6-pin PCI-E
1 x 8-pin PCI-E
6 x Serial ATA
6 x 4-pin LP4 Peripheral Device
2 x 4-pin SP4 Floppy Drive
     Additional Information:
  • Ultra-quiet fan delivers excellent airflow at an exceptionally low noise level
  • Double-forward switching circuitry design offers maximum efficiency, up to 85% under wide load range
  • 99% Active Power Factor Correction provides clean and reliable power to your system
  • Dedicated single +12V rail offers maximum compatibility with latest components
  • High quality Japanese capacitors provide uncompromised performance and reliability
  • Extra long cables support full tower size chassis

     Certifications & Standards:

Safety Approvals:

  • UL
  • CUL
  • CE
  • CB
  • FCC Class B
  • TUV
  • CCC
  • C-tick

Physical Characteristics  
     Depth: 5.5" (139.7 mm)
     Height: 3.4" (86.4 mm)
     Width: 5.9" (149.9 mm)
Power Description  
     Input Current: 9 A @ 110V
5 A @ 220V
     Input Voltage: 264 V AC
     Input Voltage Range: 90 V AC to 264 V AC
     Output Power: 450 W
     Output Voltage: 3.3 V DC
5 V DC
12 V DC
-12 V DC
     MTBF: 100000 Hour
Technical Information  
     Number of Fans: 2
     Protection Type: Over Current
Over Voltage
Over Power
Under Voltage
Short Circuit
     Limited Warranty: 5 Year

Corsair CMPSU-450VX Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Corsair CMPSU-450VX reviews.
Experience: 3 Months
 Verified Owner
Low noise, high efficiency, warranty
This is a great value power supply on sale or price matched. Extremely quiet up to 250-300W loads and very efficient even at low loads. My HTPC with Core 2 Duo, GT240 and a couple of 7200rpm drives idles around 70W measured using a kill-a-watt.

Absolutely no complaints, and I'm going to buy another one for a storage server.

Experience: 23 Days
 Verified Owner
Highly recommended for HTPCs, very quiet fan, solid design, great warranty
Not modular, fan does not turn off under low load like other (pricey) PSUs
Using this for my HTPC build. Would have liked a modular PSU to help with cable management and airflow, but this is a solid, reliable, well-backed PSU that I got for a good price. I seriously considered getting a fanless PSU, or one that shuts off the fan, but they are much more expensive and when you are watching bluray action movies you don't really mind the fan.

Experience: 1 Years
very quiet, high quality reliable unit
mail in rebates
Its been powering an Intel Core 2 Quad Q9550, iGP motherboard, and 2X1TB hdd office server 24-7 for the last year. Most people have to put their hand over the big 200mm top fan on the mini P180 case to believe the system actually running.

Experience: 6 Months
 Verified Owner
Efficient (80+)
5 Year Warranty
Little higher cost
Not Modular
Bought this power supply for a low-end file server. Runs great and is energy efficient.
It is a bit more expensive than say an OCZ or Thermaltake - but it's actually 80+, even though they don't specifically say it's rating.

Experience: 1 Weeks
 Verified Owner
- Good cable length
- Good quality
- None
A very good power supply, another great from corsair. It is a solid product and very realizable. Will buy again.

Experience: 3 Weeks
 Verified Owner
Well-packaged, Good-quality construction, Extra-long/Sleeved cables, Japanese capacitors
Not modular
Bought this for a budget Home General Purpose PC. Good product for the price. Cables are extra-long, and sleeved (which is nice). The unit is quiet, and hasn't produced a hiccup since!
Good PSU for a budget build.
Would buy again.

This review was modfied by poster @ 01-06-10 12:55 PM

Experience: 7 Days
 Verified Owner
- Silent!
- Beatiful
- Enough power for a low-end system
- None
Corsair really makes some impressive pieces of equipment. This power supply is no exception. It is virtually silent, high quality and deliver enough power for a low end system. Highly recommended for small builds.

Experience: 2 Days
 Verified Owner
Great power savings! Reduced my system from 200w to 150w
update d my 6 year old HTPC system to try to improve power usage. I was amazed to see a 50w reduction, which will translate into almost $50/year - the update  will pay for itself in a little over a year!

Experience: 13 Days
 Verified Owner
- Very quiet
- 5 years warranty
- cable long enough for tower with bottom PSU (Antec 300)
- rebate is a Mail-in-rebate (but it always worked for me so far)
This is my second Corsair PSU I buy and I'm still very satisfied ! I was looking primarily for a quiet PSU and this PSU is the most quiet active component in my build. The cables are long enough for an Antec 300 with the PSU on the bottom.

Experience: 2 Months
 Verified Owner
- super quiet - perfect for quiet builts
- excellent built quality
- 5 year warranty
- temperature controlled fan
- not modular
- could be a little tight for bottom psu cases
The review articles for this model on the computer hardware review sites are excellent. Quality components and output among the most stable. This unit is manufactured by Seasonic, which makes this my third Seasonic unit. The other two have given me several years of quiet, stable systems.

 NCIX Forum Messages

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Messages about Corsair VX450 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan

Now 80+ certified (Shawn_A- Apr 26, 10, 1 Replies) Read this message
VX450 rebate for February 1st? (michelito- Feb 03, 10, 1 Replies) Read this message
Will it handle a Radeon HD 4890? (Tamas_V- Jan 10, 10, 4 Replies) Read this message
Handles 4870. (OLDpro- Aug 21, 09, 8 Replies) Read this message
gtx 280 with this?vx450 (3nterNewNicknam3- Nov 26, 08, 8 Replies) Read this message
8 Pin 12V connector (Mgee- Sep 28, 08, 3 Replies) Read this message
Rebates now going to Ontarioinstead of US ?? (michelito- Aug 22, 08, 1 Replies) Read this message
Rebate link is broken (Lithogeek- Aug 18, 08, 2 Replies) Read this message
rebate question (Taras_H- Jul 29, 08, 6 Replies) Read this message
Corsair 450 noise? (BADER_A- Jul 29, 08, 7 Replies) Read this message
Can this handle... (Akatsuki- Jul 07, 08, 10 Replies) Read this message
Did the packaging change? (Ben_J- Jun 10, 08, 1 Replies) Read this message
8 pin to 4 pin 12V adapter? (luminos- Mar 27, 08, 4 Replies) Read this message
8800? (mhwgo- Feb 26, 08, 7 Replies) Read this message
ATX12V 2.0? (ByungKyu_K- Feb 09, 08, 0 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.
Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

Comment: If we could summarize this power supply in just one word it would be “wow!”. Together with Antec EarthWatts 500 W this is the best power supply up to 500 W we have ever seen...
Posted by: dave_k @03/27/08
Comment: "Legit Bottom Line: The Corsair VX450W is a highly efficient 450W power supply that can easily handle today's dual-core processors and is ideal for HTPC where silence and efficiency are key."
Posted by: Pier-Luc_G @01/22/08
Comment: It is not only quiet but also very efficient, claiming our number one efficiency spot with over 83%. So aside from having a quiet, stable, cost efficient system you are also helping to save the environment. Should the unit break some day, Corsair's 5 year warranty will ensure you get a replacement f
Posted by: Zenphic @09/09/07
Comment: The VX450W delivers clean, stable power that's much more than adequate for the vast majority of PC systems today. Like the HX series, it's among the quietest fan-cooled PSUs we've tested.
Posted by: Zenphic @09/01/07
Comment: The Corsair CMPSU-450VX is reviewed and receives a good recommendation
Posted by: stoanee @08/15/07
Comment: Now, when people in the forums ask for a good power supply that doesn't have to be modular and they have a sub-$100 budget, I know I can steer them towards the Corsair VX450W.
Posted by: Shiu-Ming_T @08/14/07
Comment: With good DC output quality under almost all circumstance, good efficiency, low noise, and plenty of power for most midrange systems the Corsair VX450W is a value product ( $79.99+Shipping & $79.90+Free Shipping ) with premier product performance.
Posted by: Shiu-Ming_T @08/14/07
Comment: It's with this in mind that Corsair has introduced its new VX range of power supplies. Coming in 450W and 550W variants and claiming over 80% efficiency across the complete range of load levels - not the 80% at full load many makers will quote - it sounds like it could be just the ticket.
Posted by: Shiu-Ming_T @08/14/07
Submit a review link   |   Latest 30 reviews
Product Warranty
First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.

Corsair's DRAM memory modules all carry a lifetime warranty. The Flash Voyager, Flash ReadOut, TurboFlash, Flash Survivor and Mini Flash products all have a warranty for the expected normal life of the product (10 years). The Flash Padlock has a warranty of 3 years. The HX, TX, and VX Series of Power Supplies have a 5 year warranty, and Liquid Cooling products carry a one year warranty. In general, this means Corsair products are guaranteed to operate, as specified by their datasheet, and in the operating environment for which they were intended, for the life of the product or the extent of the warranty.

For additional information and technical assitance, please visit Corsair Memory's support site at:

Corsair Technical Support

Phone:  1-800-205-7657

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While uses all reasonable efforts to include accurate and up-to-date information on the Site, makes no warranties or representations as to the Site's accuracy. assumes no liability or responsibility for any errors or omissions in the content on the Site. warrants product(s) to be in good working condition and free from defects in material and workmanship for a period of one (1) year for OEM packages, and for thirty (30) days for RETAIL packages, from the original Invoice date unless otherwise restricted below or by the manufacturer's own warranty policy. Defective returns and warranty service will be replaced, exchanged or repaired at's sole discretion, and based on vendor's policy.

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