HX 650W ATX Modular SLI Compliant Power Supply (CMPSU-650HXUK)

  • The Corsair Professional HX650W modular power supply delivers 650 Watts of clean
  • continuous power. Flat
  • low-profile modular cables allow for easy cable routing and increased airflow.
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Stock Code: CA-022-CS

EAN: 0843591010696


Manufacturer: Corsair

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Product information:

HX 650W ATX Modular SLI Compliant Power Supply (CMPSU-650HXUK)

The Corsair Professional HX650W is ideal for performance enthusiasts for whom consistent delivery of rated power output is essential. It delivers continuous rated power at ambient temperatures of up to 50° C. An intelligent fan speed system regulates the ultra-quiet 120mm double ball bearing fan. 105° C rated industrial-grade capacitors provide uncompromised performance and reliability. It’s fully compatible with the ATX12V v2.2 and EPS12V 2.91 standards and backward compatible with ATX12V 2.01 systems.

- Guaranteed to sustain its full rated wattage at an ambient temperature of 50°C
- Up to 85% energy-efficiency under real-world load conditions*
- Single +12V rail design providing up to 52A
- Multi-GPU ready
- Active Power Factor Correction (PFC) with PF value of 0.99
- Supports ATX12V 2.2 and EPS12V 2.91 standards. Backwards compatible with ATX12V 2.01
- Auto switching circuitry for universal AC input from 90-264V
- Over Current/Voltage/Power Protection, Under Voltage Protection and Short Circuit Protection provide complete component safety
- Dimensions: 150mm(W) x 86mm(H) x 150mm(L)
- MTBF: 100,000 hours
- Safety Approvals: UL, CUL, CE, CB, FCC Class B, TÜV, CCC, C-tick


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Customer review

88% (7)
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Average customer rating

(from 8 customer reviews)
All Time (8)

The best things come in small packages

My main criteria when choosing this PSU was size, which was limited by (pre-fitted) exhaust fans in the roof of my case. Most PSUs are 160mm+, particularly modular ones - so it was a godsend to find a quality 150mm modular PSU.

My other main consideration was noise - it's difficult to hear the fan with your head next to it. I've not pulled more than ~300W from it, but it's stayed ultra-quiet throughout. If it did become audible with prolonged high loads, it would still be inaudible over the case/heatsink fans. (And if you're regularly using 5-600W, you should have bought a 850W+ PSU...)

The icing on the cake is the 7 year warranty - who else offers that? (Corsair are reputed to have outstanding Customer Service - I wouldn't know, I've never had a problem in 8 years of getting all my PSUs and RAM from them - and I'll be buying Corsair SSDs next).

It's not the cheapest or most efficient PSU, but it's reliable and solid (ie heavy!). Pay that little bit extra for 7 years peace-of-mind.

DennisMenace 2011-08-09


This has been fantastic so far, not all cables are modular but that isn't a problem for me, I guess if you're looking for the best airflow possible it could be a problem.

Sorted out my OC problems straight away. Top quality.

Shaun 2010-11-17

happy days!!!

Been thinking about getting one of these for a while now, and boy am I glad I did! My previous PSU was so noisy compared to this! It's so quiet I can't even hear it! Just ran prime 95 to make sure that all is good... solid as a rock!
Great work corsair, will be getting these PSU's from now on.
Also thanks to overclockers for a brilliant service!

Rob 2010-09-10

Corsair HX 650W ATX Modular

Bought one of these a few months ago, although not from here and at a lot less price wise. Probably one of the best power supples i have ever used! It's cool and quiet and is capable of more than 650W imo! Crossfire and SLI easily with this psu no problems.

Jay 2010-07-18


great power supply, modular so less cables, nice a quiet, cant even hear it, good quality power supply

James 2010-06-22

Quality PSU

Amazing specifications, 7 year warranty, flat modular cables (easy to bend and easier to figure out cable management), Corsair brand, includes black zip ties

RD 2010-04-07

Brilliant PSU

Got sent this instead of the non modular as OC didnt have the one i ordered it in stock. This is slightly better than the non modular obviously but the modular cables have one flaw, the Molex 4pin leads are not a perfect fit, they have a small "lip" meaning tot have to "fold" the male connectors into the female to keep em together. Not a huge downer but strange to do at first.

John 2010-01-23

Top quality

Great piece of kit, build quality is second to none, all the power and leads that you could possibly need and SLI, runs my new build very happilly.

E8600 EO
Zalman CNPSA9500led
Asus P5Q pro turbo
4 ghz Corsair Dominator xms2 pc-8500
Corsair HX650 psu
3x Samsung F1 spinpoint 320gb in RAID 0
Sony lightscribe 24xDVD
Akasa Apache fans.
Still using my old 8800GTS g92
All from

Chewie 2009-11-03

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