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Corsair 650 Watt RMx Fully Modular RM650X ATX PSU/Power Supply

650W Corsair RM650x Series, Full Modular, 80 PLUS Gold, SLI/CrossFire, Single Rail, 54A, 135mm Fan, ATX PSU

Scan code: LN67193 Manufacturer code: CP-9020091-UK Request call
Spend over £225 and Buy Now, Pay Later or spread the cost of your finance over 24-48 months with a 10% deposit.
High End
Delivery options £5.48 By DPD On 20th Nov 2017 DPD Delivered to your specified address. Receive SMS with one-hour delivery window. £4.79 Collect from local shops UPS and DPD Pickup Collect your parcel from your newsagents, petrol stations and convenience stores. Free Collect Instore Q-Collect Place your order online and collect from our Bolton store with Q-Collect. Weekend, timed and European delivery options are available at checkout ScanProtect protection ScanProtect Protect against installation damage for 28 days.More
Frequently Bought Together

RM650x - Corsair Power Supply - Fully Modular ATX PSU

Corsair RM650x Power Supply 80PLUS - Gold

Corsair RMx 650W Power Supply

This version of the RMx Series power supplies from corsair comes white a total power output of 650W. The RM650x gives you extremely tight voltage control with near quiet operation. The 80PLUS GOLD rating on this PSU reduces operating costs and excess heat. The Zero RPM fan mode ensures virtual silence at low and medium loads. It also features a fully modular cable set, these DC cables makes building and upgrading your PC easier and leaves it looking great.

View other RMx power outputs:
RM550x - RM750x - RM850x - RM1000x

Fully Modular Connectivity


RMx Fully Modular Cable Design

The fully modular design of the RMx power supply means that during your build you can mount the PSU in the case first and then attatch only the cables you need, making builds and upgrades easy with great looking results.

RM650x Efficiency & Noise Graphs

RM650x Efficiency

Efficiency Graph

RM650x Fan Noise

Noise Graph

Corsair RM650x Output Power Chart

Corsair RM650x Fully Modular Power Supply
AC Input Rating DC Output Rating
AC Input: 100V - 240V DC Output +3.3V +5V +12V -12V +5Vsb
Current: 13A - 6.5A Max Load 25A 25A 54A 0.8A 3A
Frequency: 47Hz - 63Hz Maximum Combined Wattage 130W 648W 9.6W 15W
  Total Power: 650W

Corsair RM650x Key Features

80PLUS - Gold

80 PLUS Gold CertifiedGold certification ensures high efficiency operation for less excess heat and lower operating costs.

Japanese Capacitors

Japanese 105°C capacitorsPremium internal components ensure solid power delivery and long term reliability.

Zero Fan Mode

Zero RPM Fan ModeFan doesn’t turn on until it’s needed, so you’ll enjoy virtually silent operation at low and medium loads.

10 Year Warranty

Ten Year WarrantyYour guarantee of reliable operation that will last across several system builds.

Size ATX
Edition RM650x Series
Wattage 650 W
80 PLUS Certification 80 PLUS Gold
Max. Efficiency 92 %
Cooling Fan
Fans 1 x 135mm
Internal +12V Rails Single Rail
Rail 1 +12V 54 A
Rail 2 +12V N/A
Rail 3 +12V N/A
Rail 4 +12V N/A
Rail 5 +12V N/A
Rail 6 +12V N/A
Max. Combined Output +12V 54 A
Modular Yes
Modularity Full Modular
SLI/CrossFire Yes
EPS 12V Yes
Motherboard Connector 20+4-pin
  • 1 x 4+4-pin CPU +12V (EPS)
  • 7 x 4-pin Molex
  • 4 x 6+2-pin PCIe
  • 1 x FDD Power
  • 8 x SATA
Dimensions 150 x 86 x 160 mm (WxHxD)
Package Type  

Please note your statutory rights are not affected.

For further information regarding Scan's warranty procedure please see our terms and conditions

120 months
Return to base
RTB Period:
120 months
Manufacturer Contact Details
0871 472 4747
Customers also bought
650W Corsair RM650x Series, Full Modular, 80 PLUS Gold, SLI/CrossFire, Single Rail, 54A, 135mm Fan, ATX PSU is rated 4.6 out of 5 by 10.
Rated 5 out of 5 by from An excellent very quiet power supply An excellent very quiet power supply Easy to fit, the modular design allows just those cables which are needed to be attached, avoiding the jumble of cables on units with integral cabling. The cables are sufficiently long for use in large tower cases, but not too long to "clog-up" the case. In particular the extra 8 point connector for the CPU chip is of correct length, unlike some other makes.
Date published: 2017-11-12
Rated 5 out of 5 by from High build quality I've used a few different brand PSU, this is the best one, quiet running & no buzzing noise when powered down Highly recommended
Date published: 2017-09-09
Rated 5 out of 5 by from great product just like ronseal this, great addition to my home built pc
Date published: 2017-09-04
Rated 5 out of 5 by from Very Happy As always the service received by Scan was superb, not only that but this product has been an absolute dream. Replacing a generic iCute PSU that had proprietary cabling for it's modular system, this system comes with more cables than I imagine I will ever use, but also runs at a whisper - even when my R9 280 is running the Witcher III at 4K on almost Ultra settings.
Date published: 2017-05-10
Rated 5 out of 5 by from Solid PSU at the heart of my games PC Bought this PSU as a replacement for an old fully-cabled 520W 'gaming' supply. The old supply had started making a worrying 'relay-click' sound at decent load; I decided to check a few reviews and came up with this as a known-solid performer. The packaging was good, the range of connections on the completely modular setup was excellent and it was very easy to fit and connect everything up neatly. It's been powering my games setup (i5 4690, 16GB DDR3, GTX 1070, two HDD, two SSD and a DVD-RW) for over a month now and has been reliable and quiet enough that I can't tell if it's the PSU or the (also very quiet) CPU/GPU cooling that murmers gently in the background when I'm pushing the system.
Date published: 2017-02-26
Rated 1 out of 5 by from Second Corsair RMX650 PSU that has stopped working. I have a Scan 3XS system and this morning the replacement unit sent to me as the first went after less than one year has lasted around 4 months and is now dead. They both worked fine the day before, but the following day refused to power on. No power output at all, no lights on the motherboard. So either Scan have under specified the PSU for my PC or this PSU is just not fit for purpose!
Date published: 2017-01-26
Rated 5 out of 5 by from Great fully modular PSU In my opinion if your looking at a fully modular psu your already half way there as they are the way forward because you can use whatever ports you want and make your rig look tidy. This model in my opinion is a great, gold rated efficient and at 650w all you will ever need for a mid to high end gaming pc. Quality build and comes with a soft bag full of leads for everything you would ever want. It's quiet when the fan is on which is rare because the psu is just too damm efficient. I am running 1x sdd, 1x hdd,a palit gtx 1070 overclocked, a 7170 progaming motherboard, bequiet pro rock 3, 16 gig 2 ddr4 vengence, and i56600k over clocked to 4.6ghz and no power shortages at all. I even think it has a 10 year guarantee rather than 7 with corsair so bonus. Overall I would not consider anything else in the future.
Date published: 2016-12-18
Rated 5 out of 5 by from nice quality. Everything about this feels good solid and reliable and in performance it has not disappointed. Am running a system built into a corsair 250D mini case, with a Gigabyte G1 Nvidea 1060 6gb, a blue ray disc drive and two ssd's a 240 and a 480. Two fans 120 and 80mm and its as quiet as a mouse. Nice quality cables too, would especially recommend for a mini build.
Date published: 2016-12-12
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Questions & Answers

will this PSU work with the latest Heswell 5820K CPU motherboard Asus X99-A

Asked by: dddd
Hello, Yes this will support it however i would recommend at least 800W to power this system. Thanks,
Answered by: LizN
Date published: 2017-01-27
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Corsair 650 Watt RMx Fully Modular RM650X ATX PSU/Power Supply
Corsair 650 Watt RMx Fully Modular RM650X ATX PSU/Power Supply