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Corsair HX520W CMPSU-520HX ATX Triple 12V 40A 24PIN ATX Modular Power Supply 120MM Fan 2x PCI-E

Corsair HX520W CMPSU-520HX ATX Triple 12V 40A 24PIN ATX Modular Power Supply 120MM Fan 2x PCI-E - 1
Actual product may not be exactly as shown.
Corsair HX520W CMPSU-520HX ATX Triple 12V 40A 24PIN ATX Modular Power Supply 120MM Fan 2x PCI-E - 19832_l.jpg Corsair HX520W CMPSU-520HX ATX Triple 12V 40A 24PIN ATX Modular Power Supply 120MM Fan 2x PCI-E - 19832_19832-lable.jpg Corsair HX520W CMPSU-520HX ATX Triple 12V 40A 24PIN ATX Modular Power Supply 120MM Fan 2x PCI-E - 19832_box.jpg Corsair HX520W CMPSU-520HX ATX Triple 12V 40A 24PIN ATX Modular Power Supply 120MM Fan 2x PCI-E - 19832_cable.jpg Corsair HX520W CMPSU-520HX ATX Triple 12V 40A 24PIN ATX Modular Power Supply 120MM Fan 2x PCI-E - 19832_fan.jpg Customer Photos (0)
Reg. Price: $146.36  CAD
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   Shipping Weight:   8 lbs
   Part #: CMPSU-520HX
 May We Also Suggest

Features    [ Edit | History ]

Corsair has engineered the HX Series to support even the most demanding of systems. The Corsair CMPSU-520HX incorporates the most advanced technology to deliver reliable, continuous, and efficient power to all critical system components. This is the ideal power supply for high performance and gaming PCs, Audio/Video workstations, and file servers.

Quick Specs:
Input Voltage 264 V AC
Output Power 520 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 5.9"
Number of Fans 1

Specifications    [ Edit | History ]
General Information  
     Brand Name: Corsair
     Manufacturer: Corsair
     Manufacturer Part Number: CMPSU-520HX
     Manufacturer Website Address:
     Product Model: HX CMPSU-520HX
     Product Name: HX CMPSU-520HX ATX12V v2.2 and EPS12V 2.91 AC Power Supply
     Product Series: HX
     Product Type: ATX12V Power Supply
     Receptacles: 4 x Serial ATA
1 x ATX12V
1 x ATX Motherboard
     Certifications & Standards:

Safety Approvals:

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

Physical Characteristics  
     Depth: 5.9" (149.9 mm)
     Height: 3.4" (86.4 mm)
     Width: 5.9" (149.9 mm)
Power Description  
     Input Voltage: 264 V AC
     Input Voltage Range: 90 V AC to 264 V AC
     Output Power: 520 W
     Output Voltage: 3.3 V DC
5 V DC
12 V DC
-12 V DC
     MTBF: 100000 Hour
Technical Information  
     Number of Fans: 1
     Protection Type: Over Current
Over Voltage
Over Power
Under Voltage
Short Circuit
     Limited Warranty: 5 Year

Corsair CMPSU-520HX 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-520HX reviews.
Experience: 1 Months
 Verified Owner
Feels solid, works perfectly
The construction feels very solid, no issues after 1 month. Got it cheap in a bundle, very satisfied.

Experience: 7 Days
 Verified Owner
Corsair (made by Seasonic from what i read), modular, quiet enough.
8 pin cable a bit short.
This is my fourth Corsair PSU but my first modular one. I got this on sale with the 300r case for 120$ and its a steal. As usual im very satisfied, altough its modular i used all the cables, the 8 pin cable fits on my system but i can see that with a taller case it woulnd be short. It drives a 2660K with Z68 board, 460gtx + GTS250 for physics, 2 drives, DVD and 6 fans. No hickups.

Experience: 3 Months
 Verified Owner
Reliable, and modular.
Works as expected and modular cable helps with internal components.

Experience: 2 Weeks
 Verified Owner
modular, quiet.
8 pin atx power cutting it a little short.
my first modular psu, nicely packed and had a little reusable pouch to store all unused or spare cables. Nice modular design, the 12v 8pin a bit short barley fit the 400r Cosair case. other than that very nice to only use the cables your need. got this with the 400r case for 150$ great deal. pretty quiet and efficient imo. good buy.

Experience: 6 Days
 Verified Owner
Runs quiet.
Have none.
This is the first Corsair power supply. So far it appears to be working great. From what I am told the PS is a Seasonic M12 which are one of the best PS made. The only thing that was wrong was the side sticker was put on wrong for placing the PS in the bottom of the case. It was put on upside down which is not a problem for me since the case its in is top mounted.

Experience: 4 Years
Reliable; modular design
Noisy after several years use
I purchased this unit more than four years ago and it's worked almost continuously (PC powered on all the time) and reliably since that time. My only complaint is that lately it is producing an electronic "buzz" (not related to fan) which now makes it the loudest component in my system. Time for a replacement.

Experience: 2 Weeks
 Verified Owner
Nice pack
8 pin too short
Regular price
Still have little buzzing noise
Is well packed, enough cables.
The 8 pin is too short for bottom PSU case, should come with an extension cable.
Fan is very quiet but still have little buzzing noise(not from the fan).

Experience: 3 Days
 Verified Owner
80+ Efficiency
8 pin cable could've been longer
A great PSU with 80+ efficiency, capability to run a single GTX285 setup (along with an OCed Q8400), and best of all, modular!

Experience: 2 Months
 Verified Owner
85% efficiency, nice modular cables. good flexibility
love the modular cables, fantastic for a good looking case with side window. runs nice and cool and doesn't heat up the ambient case temperature too much. runs my overclocked cpu,ram,gpu, and 6 case fans with ease. would definitely buy again for a single gpu system.

Experience: 80 Days
 Verified Owner
Quiet, Cabling is excellent.
This is a very solid PSU with excllent cabling. I'm running 4 hard drives, a GTX 260, overclocked 8400 and 2 DVD drives. It handles it all.

 NCIX Forum Messages

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Messages about Corsair HX520W CMPSU-520HX ATX Triple 12V 40A 24PIN ATX Modular Power Supply 120MM Fan 2x PCI-E

Corsair HX520 (Pintail- Sep 02, 09, 11 Replies) Read this message
PSU enough for a i7 sysrtem (HABU- Jul 31, 09, 2 Replies) Read this message
quick ask, no problem at all power single 4870? (_Zens'Q9450â„¢- Jul 01, 09, 9 Replies) Read this message
Will it work on Vista? (s3n4te- Apr 17, 09, 11 Replies) Read this message
Corsair TX650W and this. (Kostyantyn_H- Jan 14, 09, 3 Replies) Read this message
Installing hx520 PSU into P182 case ? (RedSun- Jan 11, 09, 5 Replies) Read this message
will this work? (Eagle1337™ The Fish®- Dec 07, 08, 5 Replies) Read this message
ATT - Yellowbeard (Killuminati- Nov 27, 08, 5 Replies) Read this message
Help! Corsair PSU fan not spinning. (aly- Oct 11, 08, 2 Replies) Read this message
Corsair HX520 from last weeks sale (aly- Oct 06, 08, 2 Replies) Read this message
Cant access/maybe cant find MIR (Brian_P- Sep 25, 08, 1 Replies) Read this message
Need rebate form for Aug 30 (rdrake- Sep 05, 08, 2 Replies) Read this message
Corsair offer cross shipping? (Dwarrior- Aug 19, 08, 1 Replies) Read this message
Rebate question (Jay Elle- Jul 06, 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.

Posted by: leslie m @11/17/06
Comment: it only costs $119 and that's a heck of a value for the features this power supply has. Typical 80% efficiency, active power factor correction and modular cables!
Posted by: Steve_L @10/02/06
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.

NON-DEFECTIVE merchandise returns may be accepted on some items ONLY within 15 days of the Invoice date, at's discretion. All NON-DEFECTIVE returns are subject to a 15% restocking fee. No refunds will be issued for blank media, digital cameras (and accessories), opened software, printers, printer supplies, paper, projectors (and accessories), appliances, handhelds, PDAs, notebook computers, special order computers and special order items.

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