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Corsair Professional Series Gold AX750 CMPSU-750AX 750W ATX Fully Modular 80PLUS Gold Power Supply

Corsair Professional Series Gold AX750 CMPSU-750AX 750W ATX Fully Modular 80PLUS Gold Power Supply - 1
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Corsair Professional Series Gold AX750 CMPSU-750AX 750W ATX Fully Modular 80PLUS Gold Power Supply - 53717_l.jpg Customer Photos (0)
Reg. Price: $199.98  CAD
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SKU: 53717
Shipping Weight: 8.4lbs

Part #: CMPSU-750AX

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Product Videos [ Edit ]

Features [ Edit | History ]


The Corsair AX750 power supply is one of the highest-quality mid-wattage power supplies for the enthusiast who wants uncompromising performance. With 80 Plus Gold certification, a fully modular cable set, and low noise levels, the AX750 has no rivals at its wattage.

Quick Specs:
Efficiency 90%
Input Voltage 110 V AC 220 V AC
Output Power 750 W
Limited Warranty 7 Year
Output Voltage 3.3 V DC @ 25 A 5 V DC @ 25 A 12 V DC @ 62 A -12 V DC @ 500 mA 5 V DC @ 3 A
Weight (Approximate) 7.25 lb
Form Factor Internal
Country of Origin China
Height 3.4"
Width 5.9"
Depth 6.3"
Number of Fans 1
Green Compliant Yes
Green Compliance Certificate/Authority 80 Plus Gold
NVIDIA SLI Supported Yes
Number of +12V Rails 1
Modular Yes

Specifications [ Edit | History ]

General Information  
     Brand Name: Corsair
     Manufacturer: Corsair
     Manufacturer Part Number: CMPSU-750AX
     Manufacturer Website Address:
     Product Line: Professional
     Product Model: AX750
     Product Name: Professional Gold AX750 ATX12V & EPS12V Power Supply
     Product Series: Gold
     Product Type: ATX12V & EPS12V Power Supply
     Receptacles: 1 x 20+4pin ATX Motherboard
2 x 4+4pin ATX12V Motherboard
4 x 6+2pin PCI-E
12 x Serial ATA
2 x 4-pin SP4 Floppy Drive
8 x 4-pin LP4 Peripheral Device
     Country of Origin: China
     Green Compliance Certificate/Authority: 80 Plus Gold
     Green Compliant: Yes
Physical Characteristics  
     Depth: 6.3" (160 mm)
     Form Factor: Internal
     Height: 3.4" (86.4 mm)
     Weight (Approximate): 3.29 kg
     Width: 5.9" (149.9 mm)
Power Description  
     Input Voltage: 110 V AC
220 V AC
     Input Voltage Range: 90 V AC to 264 V AC
     Input Voltage Type: AC
     Number of +12V Rails: 1
     Output Power: 750 W
     Output Voltage: 3.3 V DC @ 25 A
5 V DC @ 25 A
12 V DC @ 62 A
-12 V DC @ 500 mA
5 V DC @ 3 A
Technical Information  
     Efficiency: 90%
     Modular: Yes
     Number of Fans: 1
     NVIDIA SLI Supported: Yes
     Power Factor Correction (PFC): Active
     Protection Type: Over Voltage
Over Current
Under Voltage
Short Circuit
     Limited Warranty: 7 Year

Customer Reviews of Corsair CMPSU-750AX

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-750AX reviews.
Experience: 1 Months

Verified OwnerVerified Owner


Quiet: fan rarely spins
Great price on sale q $130
Cons none


Solid build, great fan (definitely looks industrial) and only spins up on load, fully modular, single rail = good buy especially when on sale

Experience: 90 Days


great quality power supply
Cons none if on sale


one of THE best power supplies out there.fully modular withnice flat cables.

Experience: 2 Weeks

Verified OwnerVerified Owner


Single rail, modular
Cons Odd 24-pin connector, one too few 6-pin PCI-E, pricy.


The AX750 is a great PSU for those who are looking to do crossfire or SLI and want very high efficiency.

The single rail design is ideal but the 24-pin connector (on the PSU end) is a little strange with it splitting into two awkward connections. Finally, I would have liked to see an additional PCI-E 6-pin cable.

Overall, solid product.

Experience: 2 Years


powerful, and quiet
Cons expensive, and the AX760i is available now, which is worth the extra bit of cash


Easily one of the best PSUs in the class. Mine is extremely quiet, and looks damn good. The cable quality is top notch, and the sleeving is very good. Corsair gives you lots of cables and stands by their products.

HOWEVER, if you're thinking about getting this one today, and have the money, get the AX760i. It's a little bit more but that extra efficiency will save you the money in power, and will get you a better power supply. I got the AX750 back when the AX760i wasn't available, but if I were to get another one, it would be the 750i, no question.

Experience: 1 Days

Verified OwnerVerified Owner


Fully modular
Nice cables (All black)
Cons None


Should be a reliable psu, go for it if you can afford it.

Experience: 2 Weeks

Verified OwnerVerified Owner


Great Performance
Good Warrenty coverage
Cons None


Works the way it's supposed to.

Experience: 1 Years


I'm Bi-est think the world of the company.Have been buying thier products since I got into computers some 25yrs ago I belive. Complete modular meaning you can use the wire want. They have adaptors included for extra older or newer productes that require a different or expanded applications.Truely more power then what is needed for todays computering.
Cons You probly will never use all the wire or adaptors that come with this moster.


Have left over screws,nuts,wire,adaptors that have a stylish blackcloth case to put them in. The box is perfect for storing other parts, and case pieces in.Just a wonderful supply unit thatI use for 6fans,gaming card, pci-SSD card,$Blu-Burners PLus ext.Burner and TB harddrive plus after market CPU cooler.With power to spare.

Experience: 7 Days

Verified OwnerVerified Owner


one of the best psu
Cons none


I bought this on discount and I think this is the best invested I've made so far in my PC. I mean you probably would change your cpu, mobo, gpu every two year. But having a nice psu, you will never need to replace it again. In fact this psu has 8 yrs warranty, and it is made by one of the best psu manufacture - seasonic. A one time investment is really worth it isn't it?

Experience: 3 Days

Verified OwnerVerified Owner


-Fully Modular
-Gold Certified
-Black sleeving for cables
-Great packaging
-Has a case badge
Cons None whatsoever


Got this power supply to replace an old one I had. Let me just say this PSU is sexy. All black cables are very nice. Fully modular so makes cable management easier. Gold cert so it's very efficient. Well packaged so you know it'll get to you in great condition. Highly recommend this PSU and would definitely purchase again.

Experience: 1 Weeks

Verified OwnerVerified Owner


Modular, Gold certified, energy efficient, warrantied.
Cons You need to pay to get such great quality.


This is an high end energy efficient power supply that gives you 750 Watts to plug in your favorite latest devices: video cards, hard drives, SSDs, etc. You will probably have more than enough power for a gaming rig or a mainstream business PC.

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Messages about Corsair Professional Series Gold AX750 CMPSU-750AX 750W ATX Fully Modular 80PLUS Gold Power Supply

will never receive (simstarz- Jan 05, 14, 1 Replies) Read this message
When will this be in stock? (Cannabinoid- Dec 24, 13, 5 Replies) Read this message
Will it work with... (Geoffrey_Y- Apr 01, 11, 1 Replies) Read this message
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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 (excluding laptops and notebooks), 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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GOVERNMENT & BUSINESS Laptop and Notebook purchases made with government or business POs can be returned typically within fourteen (14) days from original invoice date. Return will only be accepted with original packaging, accessories, cables, free gifts (if applicable), unopened software and manuals and is subject to inspection before warranty approval. Laptop and notebook with tampered serial numbers or UPC code will be denied returns. Please check with your B2B sales representative for specific terms and details.

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