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Cooler Master V Series V550 ATX Power Supply

550W, 80 PLUS Gold, Fully-Modular, 5 Year Warranty

Cooler Master V Series V550 ATX Power Supply
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£112.28 inc vat

£93.57 ex vat

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Order Code: CM-V550

Manf.Code: RS550-AFBAG1-UK

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Express Delivery

Free Delivery Available

Delivered within 3-5 working days

More delivery options including Weekend, timed and European delivery are also available at the checkout.

Low Rate 14.9% Finance

Spread the cost of your purchase with a low rate 14.9% APR over 12, 24 or 36 months.

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In the unlikey event that you are unhappy with your purchase, simply return it to us within 14 days for a refund.*

*Excludes delivery costs. Item must be in original condition, not applicable to opened Software/Licenses or customised items.

Full details

If you are buying for work or your business we offer a range of benefits to help, such as:

  • Credit Account Facilities (subject to approval)
  • ISO 9001/14001 Certification
  • Business Leasing
  • Members of major purchasing frameworks
  • Microsoft Gold Partner
  • VMWare Education Specialist
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Cooler Master V Series V550 ATX Power Supply overview

The V series of 80 Plus Gold power supplies is built using the highest-grade components available, including 100% high quality Japanese capacitors, to ensure excellent efficiency, hold up times, voltage stability, and ripple suppression. The V series uses a fully modular cable system with extra slim flat-ribbon cables to improve cable management and allow for clean and elegant looking builds.

Cooler Master Features



Cooler Master Silencio FP Fan

Features Cooler Master Silencio FP Fan with exclusive sickle fan blade design delivering higher air pressure at a lower RPM to reduce overall noise. Exclusive LDB Fan bearing technology and IP6X dustproof fan ensure supreme longevity under maximum load.


100% 105C Japanese Capacitors

All 105C Japanese capacitor ensures an extended lifetime and excellent holdup times, in case of power fluctuation.


Unique 3D Circuit Design

Offers high efficiency, improves heat dissipation and reduces the unnecessary cables which results in much lower crosstalk, signal noise.


LLC+DC-DC Topology

Features a full DC to DC, LCC resonant circuit design. This enhanced design greatly improves power efficiency.


Powerfully Compact

The V series are powerfully small. Not to be confused, it is still a standard ATX form factor power supply that one would expect to see in any computer, but shorter. Only 140mm versus +180mm typical length - 22% smaller in volume! ATX form factor, but ideal for compact systems. Powers all current high-end GPUs.


Full-Modular Cable System

Only use the cables you need, no unnecessary cable mess! Building a clean and tidy system with excellent airflow has never been this easy and convenient

Power Specification

This power supply conforms to the Ecos 80 PLUS Gold certification


Power Output Specifications
+3.3V Rail 20A (100W)
+5V Rail 20A (100W)
+12V Rail 45A (540W)
+5Vsb Rail 2.5A (12.5W)
-12V Rail 0.3A (3.6W)
Total Power Output 550W @ +40C

Power Input Specifications
Input Voltage 100-240 VAC
AC Input 8-4A
Input Frequency Range 60 - 50 Hz
Efficiency 92% Typical

Power Connector Specification
24 Pin ATX 1x (Modular Cable)
EPS (CPU) 1x 8-pin (4+4) (Modular Cable)
PCIE 2x 8-pin (6+2) (Modular Cable)
SATA 6x (Modular Cable)
4-Pin Peripheral 3x (Modular Cable)
Floppy 1x (Modular Cable)

General Specification
Operating Temperature 0C - 40C
MTBF 100,000 Hours
Size 85mm (H) x 150mm (W) x 140mm (L)
Fan Size 120mm Silencio FP
Warranty 5 Year

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Delivery Options

Next Working Day Delivery

Get your order delivered the next working day for £5.99, available when ordering Monday - Thursday and before 17:00 on that day if the product is in stock and your payment has cleared.

Pre 12 Next Working Day Delivery

Get your order delivered the next working day before 12:00pm for £8.38, available when ordering Monday - Thursday and before 17:00 on that day if the product is in stock and your payment has cleared. Some orders if via PayPal and the first customer order may not clear in time.

Weekend Delivery - Saturday & Sunday

If you need your order at the weekend, for £9.98, you can specify the day you wish to have it delivered to you, Saturday or Sunday providing your order has been placed by 17:00 on the Friday before.

Economy Delivery

Economy delivery is available on all orders of any value being shipped within the UK.

About Coolermaster

Cooler Master was founded with the mission of providing the industry's best thermal solutions. Since its establishment two decades ago, the company has remained faithful to this mission, emerging as a world leader in products and services for companies dealing with devices where heat issues must be resolved.

Cooler Master's vast product range covers Cases, Power Supplies, Cooling units, Keyboards and more.

Reviews of the Cooler Master V Series V550 ATX Power Supply