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CORSAIR RM650 80 PLUS Gold Fully Modular Low-Noise ATX 650 Watt Power Supply - UK - Black

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Purchase options and add-ons

Model name RM650
Brand Corsair
Compatible devices Personal Computer
Connector type ATX
Output wattage 650 Watts
Form factor ATX
Wattage 650 watts
Cooling method Air
Item dimensions L x W x H 14 x 15 x 8.6 centimetres
Item weight 2.14 Kilograms

About this item

  • Fully Modular PSU: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system build needs.
  • Keeps Quiet: A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load.
  • 105°C-Rated Capacitors: Delivers steady, reliable power and dependable electrical performance.
  • Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.
  • 80 PLUS Gold-Certified: Steady power output at up to 90% efficiency, and Cybenetics Platinum certified for lower power consumption, less noise, and cooler temperatures.
› See more product details

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CORSAIR RM650 80 PLUS Gold Fully Modular Low-Noise ATX 650 Watt Power Supply - UK - Black
This item: CORSAIR RM650 80 PLUS Gold Fully Modular Low-Noise ATX 650 Watt Power Supply - UK - Black
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Corsair 4000D AIRFLOW Tempered Glass Mid-Tower ATX Case - High-Airflow - Cable Management System - Spacious Interior - Two In
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From the manufacturer

80 plus gold psu, fully modular psu, 80 plus gold psu, zero rpm psu
fully modular power supply, fully modular psu, 80 plus gold psu
silent psu, quiet psu, low-noise psu, gold psu
fully modular power supply, fully modular psu, 80 plus gold psu
80 plus gold psu, fully modular psu, 80 plus gold psu, zero rpm psu

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This item
CORSAIR RM650 80 PLUS Gold Fully Modular Low-Noise ATX 650 Watt Power Supply - UK - Black
CORSAIR RM650 80 PLUS Gold Fully Modular Low-Noise ATX 650 Watt Power Supply - UK - Black
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CORSAIR CX750 80 PLUS Bronze Non Modular Low-Noise ATX 750 Watt Power Supply - UK - Black
CORSAIR CX750 80 PLUS Bronze Non Modular Low-Noise ATX 750 Watt Power Supply - UK - Black
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Price£65.69£44.99-6% £39.15
RRP: £41.66		-8% £49.99
RRP: £54.16
Delivery
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Customer Ratings
4.64.6 out of 5 stars2,317
4.64.6 out of 5 stars177
4.64.6 out of 5 stars177
4.64.6 out of 5 stars177
Easy to install
4.6
4.3
4.3
4.3
Stability
4.6
4.2
4.2
4.2
Noise Level
4.2
4.0
4.0
4.0
Sold by
Amazon
Amazon
Amazon
Amazon
power supply design
Full Modular
Non-Modular
Non-Modular
Non-Modular
connector type
ATX
ATX
ATX
ATX
form factor
ATX
ATX
ATX
ATX
cooling method
Air
Air
Air
Air
fan count
1
1
1
1
wattage
650 watts
650 watts
550 watts
750 watts
fan size
120 millimeters
120 millimeters
120 millimeters
120 millimeters
model name
RM650
CX650
CX550
CX750

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Customer reviews

4.6 out of 5 stars
2,317 global ratings

Customers say

Customers like the performance, value, and size of the system power device. For example, they mention it works great, is easy to install and get working, and has an excellent price point. That said, they appreciate the power supply's ability to provide ample power to support high-end components. That being said, opinions are mixed on noise.

AI-generated from the text of customer reviews

Select to learn more
QualityPerformanceValueEase of installationPower supplySizeModularityNoise
121 customers mention ‘Quality’85 positive36 negative

Customers like the quality of the system power device. They mention it's well-made, feels like a premium product, and has fantastic cables. They also appreciate the good selection of cables and the kit includes cable ties.

"...However, considering its efficiency, reliability, and low-noise operation, the investment is justified for those seeking a premium power supply for..." Read more

"...Installation is as expected for any PSU with the ease of the modular cables. Power is more than enough but will only use what is needed...." Read more

"...This indicated a fault with the new PSU, as it met all the requirements but did not work, yet the old PSU did...." Read more

"...Premium Build Quality: The Corsair RM1000e PSU boasts a premium build with high-quality components, assuring reliability and stability for long-..." Read more

82 customers mention ‘Performance’68 positive14 negative

Customers like the performance of the power supply. They say it works well, is easy to install, and has no issues. Some mention that the cables don't look good, but they work fine. Overall, most are satisfied with the performance and functionality of this system power device.

"Works as described, not too noisy and easy to fit.Shame it doesn't come in white though." Read more

"Although the PSU is a little louder than preferred it works perfectly maintaining my 3060TI and all other components of my PC...." Read more

"...cables needed, rather than have an excess cluttering up the case, much neater." Read more

"I am a total newbie and I had it in my machine no problem. Works great!" Read more

69 customers mention ‘Value’62 positive7 negative

Customers like the value of the system power device. They mention it's a good purchase at the price, an excellent price point for an adaptable, modular PSU, and a fantastic investment that can future proof your PC. Some say that the power supply is a top-tier choice for your PC build and an amazing product.

"...its efficiency, reliability, and low-noise operation, the investment is justified for those seeking a premium power supply for their high-..." Read more

"...I am very happy with its affordable price and suggest it for all users who would like to run high demanding PC's." Read more

"...All in all a great purchase worthy of the cost." Read more

"This fully modular power supply is great value and you can't go wrong with corsair...." Read more

52 customers mention ‘Ease of installation’49 positive3 negative

Customers find the installation process of the system power device to be easy. They mention that the product is fully modular, making installation straightforward. Customers also appreciate the tidy braided cables and the clear instructions for use. They say that Windows installed perfectly and there were no integration issues.

"...Installation is straightforward, thanks to the included user manual and modular cables, which allow for easy customization based on the specific..." Read more

"...Installation is as expected for any PSU with the ease of the modular cables. Power is more than enough but will only use what is needed...." Read more

"...It's very quiet. Easy to screw into a case with the handy bracket it comes with. Fan helps to keep system cool and will only spin up when needed...." Read more

"...Installation was therefore very easy...." Read more

45 customers mention ‘Power supply’43 positive2 negative

Customers are satisfied with the power supply. They mention it's quiet, has great power, and is fully modular. They say it'll provide the power advertised with no problem. Some say it has more power than their old Corsair 650w PSU and is quieter. Overall, most are happy with the product's performance and reliability.

"...With an 850-watt capacity, this PSU delivers ample power to support high-end components, making it suitable for enthusiasts and gamers alike...." Read more

"...Power is more than enough but will only use what is needed. Had no issues with temperature...." Read more

"...Unmatched Power Delivery: The Corsair RM1000e PSU delivers an unmatched power output of 1000 watts, providing ample energy to power even the most..." Read more

"...I have found that my system is more power efficient and i have noticed a small difference in my energy bill." Read more

29 customers mention ‘Size’22 positive7 negative

Customers like the size of the power supply. For example, they mention it fits perfectly in their mini case, is easy to install, and is compact. Some say the cables are long enough to run along. Overall, most are satisfied with the size and power of the product.

"Works as described, not too noisy and easy to fit.Shame it doesn't come in white though." Read more

"...: Despite its powerful capabilities, the Corsair RM1000e PSU comes in a compact size, providing a perfect fit in most PC cases without sacrificing..." Read more

"...Fits nice and snug in the pc case. Power cable is not that long so don't expect to put it in far away from the pc...." Read more

"...Fitted no problems. I was hopeful the new 1000W PSU from Corsair would have me back up and running.It did, but......" Read more

23 customers mention ‘Modularity’23 positive0 negative

Customers appreciate the fully modular design of the power supply. They say it has all the features they need and is quiet.

"Much quieter than my old power supply, and being modular, you only use the cables needed, rather than have an excess cluttering up the case, much..." Read more

"...Fully Modular Design: The fully modular design allows for tidy cable management and easy customization, ensuring a clutter-free interior for..." Read more

"...GPU bounced back to life immediately.I like the PSU, modular is good as I can keep cables to a minimum and it feels nice and solid...." Read more

"...Very low noise level and the modularity helps massively with building in a smaller computer...." Read more

131 customers mention ‘Noise’81 positive50 negative

Customers have mixed opinions about the noise produced by the power supply. Some find it super quiet and runs pretty silently, while others say it's noisy at idle and has a high pitched whine. The fan is the loudest in their system and is clearly audible at 2m.

"...However, considering its efficiency, reliability, and low-noise operation, the investment is justified for those seeking a premium power supply for..." Read more

"Although the PSU is a little louder than preferred it works perfectly maintaining my 3060TI and all other components of my PC...." Read more

"Works as described, not too noisy and easy to fit.Shame it doesn't come in white though." Read more

"Much quieter than my old power supply, and being modular, you only use the cables needed, rather than have an excess cluttering up the case, much..." Read more

TWO RM1000E = Months of wasted MONEY, time and stress.
1 out of 5 stars
TWO RM1000E = Months of wasted MONEY, time and stress.
My original 650W PSU failed after a good 8 years.Anyway, in comes the new CORSAIR RM1000E for which I paid £130 at the end of January this year (2024).It arrived perfectly fine, no damage, felt and looked decent quality. Fitted no problems. I was hopeful the new 1000W PSU from Corsair would have me back up and running.It did, but...Every on-board audio output (ALL 3.5mm) except optical and bluetooth were MASSIVELY distorted but yet very quiet. Although volumes everywhere were very quiet, the distortion was HORRENDOUS, really bad to the point of sounding like any headphones/speakers were going to blow...yet they were all quiet!I quickly fitted a spare 650W Corsair PSU I have, everything was back to being perfectly fine.So I ordered a replacement RM1000E.It arrived. Fitted it while still having the previous RM1000E to return.EXACTLY THE SAME. The very same audio issues were there.Lot's of emails/messages to CORSAIR who seemingly never responded. I tried via Twitter and also took to Reddit.Search: TWO RM1000E being returned.At this point I could only assume that there may well be something wrong with my motherboard (After the PSU had blown and maybe damaged it) so I MANAGED TO FIND just one same motherboard on ebay. It's an old MSI Z170A Gaming M7running an Intel I7-6700K.So now I'm out of pocket buying a new (old!) motherboard to try and diagnose the issue.It arrived. I SWAPPED ALL my stuff over to it. CPU, RAM etc AND also tried different RAM, different clean install OS drive, GPU (1080/3080TI) etc.NIGHTMARE. It was an absolute NIGHTMARE.BOTH CORSAIR RM1000E created the same issue. I was actually trying to help CORSAIR to determine a possible batch issue but had still not heard anything.So CPU then? Still having heard nothing from nobody...And even calling local PC shops for advice which resulted in learning zero...Well I thought now it's the only thing I haven't tried. So again, out of pocket I go to ebay and find a secondhand I7-6700K CPU for diagnosis.Once again, both RM1000E caused the same issues.Corsair had actually responded via email at this stage, but my mail client hadn't beeen forwarding them. I was still talking to somebody at Corsair via Twitter and stated that I am now simply going to send them both back via AMAZON and be done with them/Corsair.All of a sudden Corsair wanted to know every little detail, so I basically asked "Look, are you going to rectify this? Am I going to get anything out of this?"The response was basically (Pictured the actual response) "I was going to offer you a courtesy item, but we have the info now"Cheers CORSAIR, basically a big middle finger to me, your customer.The HASSLE all of this caused was unreal, my house/PC setups were all over the place, all over my house for months. SEE PICS.I spent money to try and diagnose the issues and see if there was a larger batch issue for CORSAIR. And what did I get from it? Nothing. It's actually cost me money, time and stress.CORSAIR = Absolutely no buy from me anymore with the couldn't care less attitude.=============================@AMAZON - Telling me I need to edit my review for it to be posted means ABSOLUTELY NOTHING unless you ACTUALLY TELL ME what the issue is!!!! Especially when the EDIT button leads to a COMPLETELY BLANK form!!!I will keep posting this over and over and over.
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Top reviews from United Kingdom

Matthew
5.0 out of 5 stars Power and Silence Combined: A Remarkable PSU
Reviewed in the United Kingdom on 19 May 2024
Style Name: RMe (2023)Size Name: 850 WattsColour Name: BlackVerified Purchase
The Corsair RM850ePower Supply is a powerhouse of performance and efficiency, perfectly suited for demanding PC builds. Its fully modular design simplifies cable management, allowing for a clean and organized setup while ensuring maximum airflow within the case.

One of the standout features of this PSU is its low-noise operation. Even under heavy loads, the fan remains remarkably quiet, maintaining a peaceful computing environment without sacrificing performance. This is particularly appreciated during intense gaming sessions or when working on CPU-intensive tasks for extended periods.

With an 850-watt capacity, this PSU delivers ample power to support high-end components, making it suitable for enthusiasts and gamers alike. Its 80 PLUS Gold certification ensures high efficiency, translating to lower energy consumption and reduced operating costs over time.

Installation is straightforward, thanks to the included user manual and modular cables, which allow for easy customization based on the specific needs of your build. The build quality is excellent, as expected from Corsair, with sturdy construction and reliable components.

While the performance and features of the RM850e are top-notch, the price may be a deterrent for budget-conscious builders. However, considering its efficiency, reliability, and low-noise operation, the investment is justified for those seeking a premium power supply for their high-performance PC builds.

In summary, the Corsair RM850e is a compelling choice for enthusiasts who prioritize performance, efficiency, and quiet operation in their PC setups. Highly recommended.
6 people found this helpful
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Henry
5.0 out of 5 stars Solid PSU
Reviewed in the United Kingdom on 5 June 2024
Style Name: RMe (2023)Size Name: 750 WattsColour Name: BlackVerified Purchase
Works as described, not too noisy and easy to fit.

Shame it doesn't come in white though.
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The Bafinator
5.0 out of 5 stars Incredibly Easy Use
Reviewed in the United Kingdom on 2 January 2024
Style Name: RMe (2023)Size Name: 850 WattsColour Name: BlackVerified Purchase
Although the PSU is a little louder than preferred it works perfectly maintaining my 3060TI and all other components of my PC. I am very happy with its affordable price and suggest it for all users who would like to run high demanding PC's.
2 people found this helpful
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Kev
5.0 out of 5 stars A must have for Asus
Reviewed in the United Kingdom on 4 July 2024
Style Name: RMe (2023)Size Name: 1000 WattsColour Name: BlackVerified Purchase
This is my own personal review, especially if your running an Asus Tuf MB along with the Asus Tuff RX7900XTX. You will be thankful of the extra PCIe / CPU modular slots available over the 850e.

Installation is as expected for any PSU with the ease of the modular cables. Power is more than enough but will only use what is needed. Had no issues with temperature. Plenty of gen 4 cables to choose from if you want to customise the appearance of your cable management.

All in all a great purchase worthy of the cost.
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Andy
4.0 out of 5 stars Quite power supply
Reviewed in the United Kingdom on 11 January 2024
Style Name: RMe (2023)Size Name: 850 WattsColour Name: BlackVerified Purchase
Much quieter than my old power supply, and being modular, you only use the cables needed, rather than have an excess cluttering up the case, much neater.
One person found this helpful
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Svetoslav Popov
5.0 out of 5 stars Uncompromising Power and Performance
Reviewed in the United Kingdom on 1 August 2023
Style Name: RMe (2023)Size Name: 1000 WattsColour Name: BlackVerified Purchase
The Corsair RM1000e PSU is an absolute powerhouse that has taken my PC performance to new heights! This high-quality power supply unit has impressed me with its unwavering reliability, top-tier efficiency, and exceptional performance under heavy loads. Allow me to share my delightful experience and why the Corsair RM1000e PSU deserves all the praise.

Unmatched Power Delivery: The Corsair RM1000e PSU delivers an unmatched power output of 1000 watts, providing ample energy to power even the most demanding gaming rigs and high-performance systems with ease.

Gold Certified Efficiency: The 80 PLUS Gold certification ensures high energy efficiency, significantly reducing wasted power and operating costs. It keeps my system running smoothly and efficiently, even during prolonged usage.

Low Noise Operation: The PSU's Zero RPM fan mode is a game-changer! During low to moderate loads, the fan remains inactive, resulting in whisper-quiet operation. It only activates when needed, maintaining optimal cooling and silence during intensive tasks.

Premium Build Quality: The Corsair RM1000e PSU boasts a premium build with high-quality components, assuring reliability and stability for long-term use. It instills confidence that my system is in safe hands.

Fully Modular Design: The fully modular design allows for tidy cable management and easy customization, ensuring a clutter-free interior for improved airflow and aesthetics.

Over-Current and Over-Voltage Protection: The PSU's comprehensive protection features safeguard my components from power-related issues, ensuring a worry-free and secure computing experience.

Compact Size: Despite its powerful capabilities, the Corsair RM1000e PSU comes in a compact size, providing a perfect fit in most PC cases without sacrificing performance.

Excellent Customer Support: Corsair's renowned customer support is a cherry on top! Their responsive and helpful team is always available to assist with any queries or concerns.

In conclusion, the Corsair RM1000e PSU is an unrivaled power supply unit that leaves no room for compromise. Its robust power delivery, gold-certified efficiency, and low noise operation make it an ideal choice for power-hungry gaming setups and high-performance workstations. If you're seeking a top-of-the-line PSU that offers reliability, efficiency, and impeccable performance, the Corsair RM1000e PSU is the perfect investment. I wholeheartedly recommend this PSU to anyone looking to power their system with uncompromising quality and performance. Embrace the power and reliability of the Corsair RM1000e PSU and unlock the full potential of your PC!
19 people found this helpful
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michael b.
5.0 out of 5 stars Easy to use, doesn't overheat and has great power!
Reviewed in the United Kingdom on 4 February 2024
Style Name: RMe (2023)Size Name: 750 WattsColour Name: BlackVerified Purchase
Cables not plugged in so you can install only the cables you require for your pc build. Fits nice and snug in the pc case. Power cable is not that long so don't expect to put it in far away from the pc. Built the pc myself and booted up first time.
I used the following parts with it:
CORSAIR VENGEANCE RGB DDR5 RAM 32GB
Corsair MP600 CORE XT 1TB M.2 PCIe Gen4 NVMe SSD
Corsair RM750e (2023)
Powercolor Radeon RX 6700 XT Fighter
AMD Ryzen 5 7600X
Corsair 4000D AIRFLOW
Thermalright Peerless Assassin 120 SE
Corsair CO-9050082-WW AF120 Air Series
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David
5.0 out of 5 stars Power saving
Reviewed in the United Kingdom on 23 May 2024
Style Name: RMe (2023)Size Name: 1000 WattsColour Name: BlackVerified Purchase
This fully modular power supply is great value and you can't go wrong with corsair. You can buy extra cables if needed and it has enough slots to suit all power needs even for the latest 40 series geforce cards. It's very quiet. Easy to screw into a case with the handy bracket it comes with. Fan helps to keep system cool and will only spin up when needed. Connects and powers my hardware without effort. I have found that my system is more power efficient and i have noticed a small difference in my energy bill.
One person found this helpful
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Top reviews from other countries

Translate all reviews to English
Candice
5.0 out of 5 stars Works well
Reviewed in the United States on 17 December 2023
Style Name: RMeSize Name: 850 WattsColour Name: BlackVerified Purchase
I like that it is a good quality, high performance item.
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nick
5.0 out of 5 stars Perfetto
Reviewed in Italy on 18 July 2024
Style Name: RMe (2023)Size Name: 850 WattsColour Name: BlackVerified Purchase
Perfetto
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Haidar
5.0 out of 5 stars After 3 years, amazing
Reviewed in Saudi Arabia on 15 July 2024
Style Name: RM (2021)Size Name: 650 WattsColour Name: BlackVerified Purchase
I got this 3 years ago for my dream build. And it is still performing well. Cant go wrong with Corsair PSU
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Mohammad Al-Haij
5.0 out of 5 stars رائع
Reviewed in Saudi Arabia on 21 June 2024
Style Name: RMe (2023)Size Name: 1000 WattsColour Name: BlackVerified Purchase
ممتاز ويعمل بدون مشاكل وبدون حرارة
بعد تجربة سنة
4 people found this helpful
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Samer Shekhmous
5.0 out of 5 stars Okay
Reviewed in Germany on 25 March 2024
Style Name: RM (2021)Size Name: 750 WattsColour Name: BlackVerified Purchase
Gut
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