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Corsair Professional Series Gold 750-Watt 80 Plus Gold Certified High-Performance Power Supply - CMPSU-750AX

Description:
The Corsair AX750 power supply is the highest-quality mid-wattage power supply for enthusiasts who want uncompromising performance. With 80 PLUS Gold certification, a fully modular cable set and low noise levels, the AX750 is unrivalled at its wattage.Unprecedented Power Protection The Corsair Professional Series Gold power supply pushes the state of the art for reliable delivery of clean power under imperfect conditions. If you require mission-critical stability or you simply want one of the best power supplies available, the Professional Series Gold is for you.A Fully Modular Cabling SystemAll cables detach from the power supply. During installation, this gives you the flexibility of using only the cables you need for a clean system build with optimal airflow. And, when it's time to replace or upgrade your power supply, it can be removed from your system without interfering with your cabling - the cables stay in place and connect to your new fully-modular Corsair power supply.Incredible EfficiencyWith 90% efficiency at 50% load, the Corsair Professional Series Gold power supply runs quieter, generates minimal excess heat, and saves you money every month. It's earned the 80 Plus Gold seal of approval, your guarantee that you're making the right choice for smart, efficient power delivery.

Details:
DetailValue
BindingPersonal Computers
BrandCorsair
EAN0843591008013
FeatureAn ultra-quiet double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature.
Height4 inches
Length10 inches
Weight0.08 pounds
Width6 inches
LabelCorsair
List Price$174.64
ManufacturerCorsair
ModelCMPSU-750AX
MPNCMPSU-750AX
Package Quantity1
Product GroupCE
Product Type NameSYSTEM_POWER_DEVICE
PublisherCorsair
SKUDHCMPSU750AXA
StudioCorsair
TitleCorsair Professional Series Gold 750-Watt 80 Plus Gold Certified High-Performance Power Supply - CMPSU-750AX
UPC843591008013
Number Of Items1
WarrantySeven Years
 

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1,103 Posts
Ultra-silent, highly efficient power supply

review by shinigamibob

This was my first high end PSU purchase for my rig and I am very pleased with hit. Its being used with 2x GTS 450's and an overclocked i7 950. With that set-up, the PSU has more than enough power to comfortably power everything. In fact, this would only start chocking if 2x 570's were thrown into the mix.

The biggest appeal to me was its modular design. The cables are nicely labelled and because of the standard connector on the PSU, it doesn't matter which extension you plug into each port, with the excpetion of the 24-pin power cable. The PSU does have a fan, but it is dead silent. It is completely inaudible compared to the fans on my HAF 932.

The sleeved look of the cables really adds to overall aesthetics of this PSU, but it isn't perfect. It doesn't look as good as individually sleeved cables, but it goes pretty darn close. The caveat in my case was the stiffness of the 24-pin power cable. It was pretty stiff compared to all the other cables and even compared to other power supplies. This has become a little less pronounced after a couple months of use, but it is still quite stiff nonetheless. However, this could just be an isolated incidence in my case since I've never heard of any other complaints.

The efficiency of this PSU does bring up the price, but that's the price to pay. I was looking for the highest possible efficiency from a reputable brand, and Corsair did just that. Furthermore, the internal components used are actually capable of sustaining over 750W without damaging itself or the components. However, this goes without saying that its not something that should be done on a regular basis.

I really reccomend this power supply to anyone. The only down side for me is that this is now the limiting factor for high end dual GPU set-ups. For dual GTX 570's, at-least 850W is preferrable, but that is my mistake.

ProsCons
Modular design, high efficiency, silent operation, sleek look, "sleeved" look on the cablesPricey for the wattage

Ratings
Overall5
 

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Ultra-silent, highly efficient power supply

review by shinigamibob
Do you think that a dual GPU setup with Radeon 7850's would need the 850 over the 750? They have an independent control that determines how much the fan needs to be used and this could possibly cut the energy use down. I ask because I'm hoping to finish my first build by the end of this month and start upgrading it as early as next month? I plan on starting with one gpu and eventually adding another towards the beginning of fall. Is there a way to add up your total energy use to determine how much psu output you would need to upgrade? or is it kind of hit and miss according to other people's testimony?
 

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1,103 Posts

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Registered
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27 Posts
Ultra-silent, highly efficient power supply

review by shinigamibob
Thanks you, sir. It looks like I'll have plenty of headroom for OC'ing. Says I only need around 478watts with the crossfire setup and a few extra fans and cooling which none of the upgrades will happen til later, but i went ahead and plugged them in to get an idea, and I think I've made a good choice. Thanks again for the reference and help.
 

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TotallydubbedHD on YT
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Does what it's supposed to!

review by totally dubbed

This fully modular AX750, is brilliant.
It has enough power and is also very efficient (based on other reviewers).

I've had no problems with it, despite HW monitor displaying the wrong volts being produced (12v rail was showing up as 7v)

There's not much more to say of this PSU, apart from the fact that it powers my GTX 660ti PE OC, with no problems, and the fact that the modular design is GREAT for keeping your case and build super tidy.

Here's my unboxing of it:

ProsCons
FULLY Modular, Gold certifiedNone for the time being

Ratings
Overall5
 
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