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Corsair TX550M 550W Semi-Modular 80+ Gold PSU

CCL Code: PSU1417
Manufacturer Code: CP-9020133-UK
Manufacturer: Corsair
Corsair TX550M 550W Semi-Modular 80+ Gold PSU

Key Features:

  • 4x Molex Connectors
  • 5x SATA Connectors
  • 2x PCIe Connectors (6+2-Pin)
  • 4 + 4-Pin CPU Power Connector
  • ATX Form Factor

Delivery Options

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Free Delivery by Monday 2nd August

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Collection Options

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Tomorrow from Local Collection Point


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The CORSAIR TX-M Series power supplies give you extremely tight voltage regulation and a semi-modular cable set. With all Japanese 105°C capacitors, they’re a great choice for high performance PCs where reliability is essential. 80 PLUS Gold efficiency reduces operating cost and excess heat and together with the rifle bearing fan yields virtually silent operation. Build without worry knowing you’re backed by the CORSAIR 7-year warranty, technical support and customer service.

Main Features

  • 50°C Operating Temperature: Can output full power even at very high ambient temperatures
  • 80 Plus Gold: Runs cooler and uses less power than less efficient power supplies
  • Semi-Modular: Allows user to only use the cables they need for a cleaner looking build with better airflow
  • 7-Year Warranty: Backed by CORSAIR's legendary technical support and customer service
  • 120mm Rifle Bearing Fan: Quieter than ball bearing but longer life than sleeve bearing
  • All Japanese Capacitors: Unparalleled reliability, even at higher operating temperatures


Power Connectors 1 x 20+4-pin ATX
SATA Connectors 5
CPU Connectors 1 x 4+4-pin ATX 12V
PCI Connectors 2 x 6+2-pin PCIe
Molex Connectors 4


Standards ATX12V v2.4, EPS 2.92


Voltage 100-240 V
Power 550 W
Frequency Range 47-63 Hz


Form Factor 80+ Gold ATX Power Supply
In The Box Power Supply • Modular Cables • 100mm Floppy Adapter • Power Cord • Mounting Screws • Zip-ties • Manual • Case Badge
Width 150 mm
Depth 140 mm
Height 86 mm
Weight 1.7 kg


Warranty 7 Years

Key Features

Modular Cables Semi-Modular
80Plus Rated 80 Plus Gold
PSU Form Factor ATX
PCI-E Connectors 2
Motherboard Power Connectors 4 + 4-Pin
PCI-E Pin Type 6+2-Pin
PSU Depth 140 mm
ETA Efficiency Cert. Not Rated
Lambda Noise Cert. Not Rated

Item Details

Manufacturer Corsair
Manufacturer Code CP-9020133-UK
EAN 0843591091299
UPC 843591091299
Condition New

Warranty Information

Warranty 7 Years

Manufacturer Information

Manufacturer Corsair
Manufacturer Code CP-9020133-UK

Do you have you a question about the Corsair TX-M Series TX550M 550W Power Supply Unit (80 Plus Gold Certified)?

4 / 5 27 reviews


3 months ago

For those that don't want or need significant wattage, this little PSU does an amazing job!


5 months ago

Great product and came quickly.

Simon Meyers

5 months ago

Bought this when upgrading my son's machine as a slightly cheaper alternative to the full modular RM650X that I've got in mine. All black internal cables, motherboard and CPU included on the PSU while SATA, GPU & molex are all supplied as modular. Everything reasonably tidy inside. Not the absolute cheapest but I'm banking on Corsair quality.

R Clin

5 months ago

Great value, easy to install


7 months ago

Very reliable and good value

Mr David Kendall

8 months ago

Good quality PSU. Came with all required cables with optional cables not permanently attached. All ports were well labelled too. Very quiet in running so pleased with my purchase

Mark Ellis

8 months ago

Never been let down by a Corsair power supply. When I got the power rating right. Only had one fail which was 50watts too small for the PC it was powering because it was too small in the first place and then I had it driving 4 more disk drives "MyBad" Have purchased 5 others since then all still running in various family PC's


8 months ago

Not disappointed!


9 months ago

Extremely good

Alasdair Luxmoore

9 months ago

This is an obviously well-built power supply that's quiet to boot. I can't speak for durability yet as I've only had it a month.


9 months ago

Decent product exactly what I needed


9 months ago

Nice comunication with CCL team. Quick delivery.


9 months ago

Nice comunication with CCL team. Quick delivery.


10 months ago

Does exactly what it was intended for. Decent quality for the money


10 months ago

Sufficient cables included, installed with no issues and no problems found in nearly a month of heavy daily use of the PC.


12 months ago

At this time (July 2020) it's been quite hard to find a good value power supply, and this fits just that


May 2020

Nice quiet and tidy looking product. Not particularly cheap compared with others but not worth taking the chance on such an item.


April 2020

Very good.

Jamie Ellis

March 2020

Good semi-modular PSU, quiet fan

Carrick Oliver

March 2020

Good product and does the job quietly. Obviously it is a gold power supply and is efficient but for value for money you can get a bronze power supply with much better wattage. I just wanted the extra efficiency but for most builds I suggest just going bronze


October 2019

works perfectly

Dave Offside

June 2019

This is a quality piece of kit. At 60 from CCL it was also a bargain. I was initially going to get the Corsair CX500 at 50 but for 10 more I got 50 watts more, longer lasting rifle bearing on the fan, all Japanese capacitors, semi modular cables, and a 7 year guarantee! The PSU itself is very well constructed and feels like it is built to last.


June 2019

Great bang for buck power supply


May 2019

A good power supply. Decently robust. Easy to install. A reasonable selection of modular cables, except in narrow use cases most users are unlikely to need any extras or alternatives.

Konstantinos Ioannidis

February 2019

Great stuff, very easy to install, quiet.


November 2018

No problems. Good for money.

Umar Ahmad

October 2018

Great price, semi-modular which is great especially at this price. The cables you can't remove do take up some space however, so you'd want to use them as much as possible. Had to use a couple of extra cables that came with my motherboard as there aren't many of the same type, but this psu does come with some. The parallel connections on the wires I found great at first, since it saves space and ports, but you do have to be aware of how long they are and adjust you build accordingly to minimise wire strain. Sound-wise this is super quiet, very smooth reliable supply. Would definitely recommend.