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  1. Corsair CP-9020123-UK CX Series 750 W CX750 ATX/EPS 80 PLUS Bronze Power Supply Unit - Black
    Corsair CP-9020123-UK CX Series 750 W CX750 ATX/EPS 80 PLUS Bronze Power Supply Unit - Black
    4.74,974
    £81.70
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    CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black
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Corsair CP-9020015-UK Builder Series CX750 ATX/EPS 80 PLUS Bronze Power Supply Unit, 750 W

4.6 out of 5 stars 2,181 ratings
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Size Name: 750 W
Style Name: Fixed Cables

About this item

  • Up to 85% energy efficiency
  • 0.99 Active Power Factor Correction provides clean and reliable power
  • Universal AC input from 90-264 V. Supports the latest ATX12V v2.3 standard and is backward compatible with ATX12V 2.2 and ATX12V 2.01 systems
  • A dedicated single +12 V rail offers maximum compatibility
  • Over-voltage and over-power protection, under-voltage protection, and short circuit protection
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Top Brand

Corsair

95% positive ratings from 10K+ customers

50K+ recent orders from this brand

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Corsair CP-9020123-UK CX Series 750 W CX750 ATX/EPS 80 PLUS Bronze Power Supply Unit - Black
Corsair CP-9020123-UK CX Series 750 W CX750 ATX/EPS 80 PLUS Bronze Power Supply Unit - Black
£81.70
(4,974)
Only 9 left in stock.
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From the manufacturer

An Ideal Choice for Value Conscious System Builders and Upgraders

CX Series power supply units are an excellent choice for basic system builds and desktop PC computer upgrades. CX Series PSUs are available in a variety of power configurations, and include features that are normally found only on premium power supplies.

Low Noise

80 PLUS Bronze efficiency and clever fan design allow for little or no detectable fan noise during regular operation.

Features

Large-Diameter, Thermally Controlled Fan

Once you’ve installed a PSU, you shouldn’t have to think about it. Employing a thermally controlled fan makes the CX Series virtually silent at idle, and the large diameter reduces noise even when you’re pushing your system hard.

Reliable and Compatible

CX Series is built and tested to strict standards for trouble-free installation and smooth operation.

Corsair Engineering and Quality Control

Every Corsair power supply is designed by our California engineering team and built to our exact specifications. The same care that goes into the design and testing of our renowned high-power enthusiast power supplies also goes into the CX Series, because you need confidence and reliability.

Black Goes with Everything

You’re building a PC, not a battleship, and appearance counts. The matte black finish and all-black sleeved cables and connectors help give your system a high-tech, restrained look.

Good Looks

The matte black finish, black-sleeved cables and black connectors help give your system a restrained, high-tech look.

Ample Connectors and Long Cables

Long cables make CX Series suitable for installation even in full-height tower cases, and the generous cable count allows you to power multiple components and storage devices.

Product information

Technical Details

Brand ‎Corsair
Product Dimensions ‎16 x 15.01 x 8.61 cm; 2.6 kg
Item model number ‎CP-9020015-UK
Manufacturer ‎Corsair
Series ‎ATX
Colour ‎Black
Form Factor ‎Atx,Atx12v
Wattage ‎750 watts
Are Batteries Included ‎No
Item Weight ‎2.6 kg
Guaranteed software updates until ‎unknown

Additional Information

ASIN B008RJZR40
Customer Reviews
4.6 out of 5 stars 2,181 ratings

4.6 out of 5 stars
Date First Available 6 Aug. 2012

Warranty & Support

Amazon.com Return Policy:Regardless of your statutory right of withdrawal, you enjoy a 30-day right of return for many products. For exceptions and conditions, see Return details.

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Corsair CP-9020015-UK Builder Series CX750 ATX/EPS 80 PLUS Bronze Power Supply Unit, 750 W

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Customer reviews

4.6 out of 5 stars
2,181 global ratings

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Customers say

Customers find this power supply unit well-made, quiet, and easy to install, with one customer noting it's ideal for simple setups. Moreover, they appreciate its value for money, build quality, and power delivery, with one mentioning it's powerful enough to run a Radeon R9 390. However, longevity receives mixed reviews, with some customers reporting it's still going strong while others experienced failures within two months of use.

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QualityQuietnessFunctionalityValue for moneyBuild qualityPowerEase of installationLongevity
700 customers mention ‘Quality’670 positive30 negative

Customers find the power supply unit to be of good quality.

"...Perform well, fit nicely, run quietly. Great PSU." Read more

"Great product. Replaced a stock power supply in my Dell Studio XPS 435mt (circa 2009) and it was a straight swap...." Read more

"its a good psu but it olny came with 2 sata 1 molex and 1 pci 2 6 pin not 8 leads like the pic that would have been good because i was expceting 8..." Read more

"Great power supply, my other one was making awful noises and i needed a new one asap...." Read more

567 customers mention ‘Quietness’466 positive101 negative

Customers appreciate the power supply's quiet operation, noting that the fan runs almost inaudibly.

"...Overall this is a decent PSU: it's quiet (unnoticeable over CPU and case fans), stable, modular and it has a 3 year warranty...." Read more

"...Its also very quiet and can't even hear it to be honest, the only fans I can hear is when my case fans are turned up to full speed to get plenty of..." Read more

"...Very happy with it. Quiet, nice build quality, supplied with all the accessories you need..." Read more

"...Very quiet (I can hear my CPU fan now, whereas the one it replaced drowned it out), and has all the connectors you'll ever need -- in fact it may..." Read more

442 customers mention ‘Functionality’388 positive54 negative

Customers report that the power supply performs perfectly and runs their computers without issues.

"If, like me, you're looking for a reliable, low priced PSU, this is the one to go for...." Read more

"...This is a good looking unit and works well but there are a few problems that I encountered............" Read more

"I've used 5 of these power supplies in the past and find them to be very reliable and quiet, especially for the price...." Read more

"So far works great put this in my current pc( its quite old and doesn't need the 750w but I thought I'd future proof in case I want to upgrade)..." Read more

283 customers mention ‘Value for money’271 positive12 negative

Customers find the power supply to be a good value for money, particularly as a budget option.

"This is a quiet PSU at a good price, but I almost returned it as it "doesn't" have a 4pin ATX12V connector...." Read more

"...It's a fantastic product at a great price." Read more

"...Etcetera... The PSU unit itself gets 5 stars--it's good value for money and does the job...." Read more

"...is a bit pricy compared to the cheaper ones it is certainly worth the money for anything above a low-end gaming PC or workstation...." Read more

170 customers mention ‘Build quality’164 positive6 negative

Customers praise the power supply's construction, noting its robust design with strong cables and stable performance, particularly suitable for small average builds.

"...The Corsair is well built and a solid no-nonsense product." Read more

"Not much to say. Seems to be a solid, reliable basic PSU...." Read more

"...is a decent PSU: it's quiet (unnoticeable over CPU and case fans), stable, modular and it has a 3 year warranty...." Read more

"...The unit is quite sturdy, good quality materials, a bit noisy on startup but settles down to a purr and just keeps going...." Read more

162 customers mention ‘Power’152 positive10 negative

Customers are satisfied with the power supply's performance, noting that it produces the watts it claims and powers everything nicely, with one customer mentioning it's powerful enough to run their Radeon R9 390 graphics card.

"Powerful yet competitively priced. Never cheap out on your PSU, Corsair is one of the best and can be trusted to make a good quality product...." Read more

"Quiet and powerful. I will never buy a PSU that is not at least bronze and definitely branded...." Read more

"This psu is very powerful and runs well with my 660 ti gpu and intel i5 cpu. There is virtually no noise coming out from it...." Read more

"...are ample enough for my build (BItfenix Prodigy) quiet and has plenty of power. my build for reference...." Read more

143 customers mention ‘Ease of installation’135 positive8 negative

Customers find the power supply unit easy to install and fix in place, particularly suitable for simple setups, with one customer noting that the modular cables are convenient to work with.

"...you purchase Corsair PSU, this PSU is very reliable and simple & easy to install...." Read more

"Easy to install (left that bit to my geek son). But when I first switched on the computer, I thought, 'Horror!'..." Read more

"...Quiet and doesn't get too heated easy install." Read more

"...Delivery was quick and installation was easy, even with my relative lack of knowledge. Can't recommend it more." Read more

148 customers mention ‘Longevity’69 positive79 negative

Customers have mixed experiences with the power supply's longevity, with some reporting it lasting over a year while others experienced failures after 3 weeks or within the first year of use.

"Stopped working within a month. I was suggested by a friend to get Corsair." Read more

"...also goes into the CX Series, because you need confidence and reliability regardless of your build budget...." Read more

"Died after 2 weeks - replaced it with an XFX pro 750. Thanks to amazon for help returning it though." Read more

"...I advise if you want a budget, long lasting, quiet, brilliant quality power supply, the Corsair CX750 Builder Series is the way to go :)!" Read more

Extremely Good
5 out of 5 stars
Extremely Good
Ill dive straight in Pros It is very quiet and as your playing doing tasks or whatever on your computer you are not going to hear it. All cables needed are included as well as some removable ones, in case you don't need them. The cables are sheathed to stop them from being damaged Supports bottom mounted and top mounted PSU installation There are stickers on either side of the box so that you can read the model number and name either way if it's installed up or down in the case. It remains cool and will supply easily enough energy for your graphics card Cons one problem, mine didn't come with a sticker but that is the least of my worries; overall the quality is extremely good and this PSU performs excellently. Well worth the money Note I had a cheap PSU 500w that kept surging the motherboard, luckily it din't damage any components. That is why i purchased a new PSU
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Top reviews from United Kingdom

  • P
    5.0 out of 5 stars good as it gets for this price
    Reviewed in the United Kingdom on 5 September 2014
    Verified Purchase
    pretty much a no brainer, since you get enough wattage for the vast majority of builds, modular cables and a nice quiet fan!

    the braiding of the cables is pretty good, nothing amazing but it definitely improves the looks of a neat build over crappy unbraided technicolour PSU cables.
    The modularity is awesome, and is so handy. it isn't fully modular but it doesn't really need to be, since the connectors it has fixed are 100% necessary for any build anyway.
    The unit itself is only 160mm long, so it fits fine in any case that supports ATX power supplies. the thing itself feels of good quality and looks of good quality
    I was skeptical of the fan inside the unit since it isn't one of corsair's but a cheap chinese OEM, however it is perfectly quiet and I really don't ever hear it at all over the sound of my graphics card/case fans.

    If you can afford it, then definitely get something even more efficient, but for this price range this unit is pretty much perfect
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  • Adrian Christie
    5.0 out of 5 stars Excellent for cable management and good brand.
    Reviewed in the United Kingdom on 3 September 2013
    Verified Purchase
    Before I'd built my first PC, a friend had recommended I get a modular PSU to help me with my cable management. I (at the time) was skeptical about paying the extra money for it, thinking I could get by fine with the normal cable bundle I'm used to.

    However when it came to building, I had the money to spend (only about £10-20 difference I believe) so I took the plunge. And indeed that was the right choice. Corsair are a very good brand for PSUs - their reputation across the web seems to be highly positive - and are worth spending more to get one instead of a cheap no brand one. The PSU is a crucial part of your PC, and you don't want to risk frying your components with a dodgy one.

    This PSU came with an abundance of cable connectors, with lots of SATA, PCI-E and Molex connectors to choose from. I used the three Molex connectors for my case fans, two PCI-E connectors for my graphics card, and three SATA connectors for my drives - and I still had spare cables for all of them! Brilliant for future expansion. The cables are of a high quality, and have plenty of length for most cases. My mid tower had no issues whatsoever.

    I honestly cannot fault it after a week of use. It runs fairly cool, very quietly, and provides reliable efficient power to all my components. I'd really recommend this for someone looking for a reliable PSU either for a new build, or to replace a broken one.
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  • S. Howes
    5.0 out of 5 stars Very pleased.
    Reviewed in the United Kingdom on 28 July 2015
    Size Name: 750 WStyle Name: Fixed CablesVerified Purchase
    My PC was a home build bare bones Core i3 2nd generation, with an Asus motherboard. I do not put it to very demanding tasks, but had some very annoying issues. The first being the refusal of Media player to play videos properly, but some would play normally. The second issue is that the PC would boot normally on about half the occasions it started it up, but on other occasions it would show the BIOS screen, giving a message that a new CPU had been installed. This was not the case, it had just lost all the BIOS settings. This became annoying very quickly. I changed the battery, upgraded the BIOS and tested the PSU and tried the video card in another PC, but nothing fixed this issue. I was googling the issues one day, to try and find a cause and I saw a recommendation go check the Asus power draw website, based on the components. I did this and it came out at 650 watt, which was a bit of a shock, as I had a 550watt Corsair. I decided to gamble on a more powerful PSU and opted for this one. The existing Corsair was given to me and the most I had for a previous PSU was under £30, of paying two and a half times as much was a bit of a gamble. The PSU arrived quickly, had loads of connectors and appears to be of good quality. I fitted it and I am very pleased to say that I have a BIOS that no longer forgets and all videos now open! I did not realise that such a difference would be made. Also, my PC now feels noticeably faster and a good bit more responsive - not sure a PSU can do that, but if a PSU cannot make that difference, then it is just a coincidence. I am delighted with the results and I do not begrudge paying a good bit more than I would do normally for this very good PSU. Very highly recommended, as a bonus. it is not too noisey either.
    5 people found this helpful
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  • Patrick
    4.0 out of 5 stars Great For Home Users
    Reviewed in the United Kingdom on 6 August 2014
    Verified Purchase
    I have had this for over a week now in my custom built PC.

    I choose to purchase this model because it was a good price for a modular PSU, and Corsair is a very good name in this industry, as well as being a recommendation from a family member. I have split my reviews up into the PROs and CONs.

    PROS:

    1. It is extremely quiet, I have it facing down onto my desk and I can't hear the fan at all. I only have a 200w (ish) system so it shouldn't be spinning too fast anyway. In fact my Cooler Master Sickle Flow fans are louder, and I class them as quiet.
    2. It does what a power supply has got to do, supply power and not blow up. I can't yet comment on reliability because I haven't had it long enough, but my brother has had one for nearly 2 years and his is working just like new.
    3. It comes with enough cables than an office/mid range computer will need.
    4. The Modular design means that the mother bored and CPU cables are already installed, and SATA and PCI/E cables can be plugged in as you need them.

    CONS:

    1. The cables that are used to power my SATA drives are daisy chains. There are 3 connectors on one cable, the only problem that I had is that the gaps between them are too short, and the overall length of the cable is too short. But this does depend on the size and design of your case.
    2. If you have an 2.5 inch drive installed on the bottom of a computer case, it can be difficult to install the power supply connector, I had to use one of the middle connectors and bend the wires round. This worries me because it could come loose in the future and break.

    Overall, I think the CONS are not a problem if you have one drive so I would recommend this to home users. I do update my reviews in the future.
    2 people found this helpful
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Top reviews from other countries

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  • Cliente Amazon
    5.0 out of 5 stars Verificato
    Reviewed in Italy on 3 January 2016
    Size Name: 750 WStyle Name: Fixed CablesVerified Purchase
    Dopo varie recensioni, mi orientai mesi fa su questo alimentatore. Beh che dire, ad oggi nessuna noi dopo svariate ore di utilizzo. Ricomprerei Corsair se se ne dovesse ripresentare la necessità.
    Report
  • Madhav
    5.0 out of 5 stars A Worthy Purchase
    Reviewed in India on 29 July 2016
    Verified Purchase
    The Power Supply Runs smooth very low noise, I am running a MB ASRock 990FX with CPU AMD FX- 9590 Vishera 8-Core 4.7 GHz, GPU NVidia Quadro K620 384 CUDA, CORSAIR Vengeance 8GB x 4 DDR3 SDRAM, Kingston SSDNow V300 120 GB for OS Win 10 64 bit Professional, HDD Seagate ST31000524AS 1TB 7200 RPM, HDD Seagate ST3000DM001 3TB 7200 RPM with Liquid Cooling with CORSAIR H100 iV2 (Not very silent but low noise) all in CORSAIR Carbide Series 500R Mid Tower and the system works like a song. I have additional power for another gaming GPU with overclocking.

    A Very Good Power Supply definitely a worthy option, unless it has issues in future, I have been using this for almost two months with the system running a good 18 hours every single day.
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  • Moe
    5.0 out of 5 stars Corsair. Smooth Sailing.
    Reviewed in India on 21 August 2015
    Size Name: 500 WStyle Name: Fixed CablesVerified Purchase
    This PSU compromises very little in terms of power deliverance.(Not Modular or even semi modular) on the other hand Its Leaps and Bounds ahead of ANY cheap and low quality PSU on the market which are a total waste of Time and Money ....NOTE that the pins on the power plug are not supported by Indian Wall outlets you need A spike buster. Whisper Quiet. NO STATIC WHATSOEVER while installing it. Perfect for a budget or slightly high end gaming build. Super Reliable. Lots Of cables provided. Been using for a Month without any problems.
    Report
  • Gautam
    5.0 out of 5 stars Just buy it if you need less than 430 W.
    Reviewed in India on 24 February 2017
    Verified Purchase
    I don't know about expert pc builders, but people building their first PCs cannot go wrong with this unit.

    The build quality of the metal casing is good and the cable quality is acceptable (though not amazing). This is fine because these units are intended to be plugged once and left alone for a long time. Frequent plugging/ unplugging may wear out the cable connector plastic.

    This also works well with my UPS: APC BX600CI-IN, which is an important consideration since some PSUs won't gel with some UPSs.
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  • Amazon Customer
    4.0 out of 5 stars Four Stars
    Reviewed in India on 15 July 2017
    Size Name: 750 WStyle Name: Fixed CablesVerified Purchase
    Good
    Report