Deciding on whether to buy a product like CORSAIR RM550x Modular ATX PSU or perhaps CORSAIR CX550 ATX PSU? You’re in the right place as we’ll take you through all of the specs, features and look at the quality, pricing and reviews of both to help you make the decision on which one to go for.

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CORSAIR RM550x Modular ATX PSU vs CORSAIR CX550 ATX PSU

CORSAIR RM550x Modular ATX PSU specs

CORSAIR RM550x Modular ATX PSU
 CORSAIR CX550 ATX PSU specs

CORSAIR CX550 ATX PSU
Form factor: ATX

Form factor: ATX

Modular: Modular

Power: 550 W

Power: 550 W

80 PLUS certification: 80 PLUS Bronze

80 PLUS certification: 80 PLUS Gold

FEATURES
FEATURES

Cooling: 120 mm fan

Cooling: 140 mm fan

Connections: – 24 pin ATX x 1
– 6+2 pin PCIe x 2
– SATA x 5
– 4 pin PATA connector x 4

Connections: – 20+4 pin ATX x 1
– 6+2 pin PCIe x 2
– 4 pin peripheral connector x 4
– EPS x 1
– SATA 2 connectors x 2
– SATA 3 connectors x 3
– Floppy connector x 1

Noise level: 25 dB

Noise level: 21 dB

Other features: – Over current protection (OCP)
– Over voltage protection (OVP)
– Short circuit protection (SCP)
– Over power protection (OPP)
– Over temperature protection (OTP)

MTBF: 100,000 hours

GENERAL
GENERAL

Colour: Black

Colour: Black

Box contents: Corsair CX550 ATX PSU

Box contents: – Corsair RM550x Modular ATX PSU
– Modular cables
– 100 mm Floppy adapter
– Power cable
– Mounting screws x 4
– Pack of zip-ties
– Instruction manual
– Case badge

Dimensions: 184 x 264 x 96 mm (H x W x D)

Dimensions: 86 x 140 x 150 mm (H x W x D)

Weight: 2.3 kg

Weight: 1.85 kg

Manufacturer’s guarantee: 5 years

Manufacturer’s guarantee: 10 years

Price: £87.99

Price: £54.99

Number of Reviews:

Number of Reviews: 21

Review Score: 9.7 / 10

Review Score: 8.7 / 10


When deciding on whether to buy CORSAIR RM550x Modular ATX PSU or CORSAIR CX550 ATX PSU, a very important consideration is the price. So we’re going to spend a bit of time looking at the price of both.

To start with, we looked at the price of the 33 products in the same category as CORSAIR RM550x Modular ATX PSU, which is the Power supplies category. Of these 33 products the average price was £109.63, the most expensive was £299.99 and the cheapest was just £34.99. We then looked at the price of the 33 in the same as the CORSAIR CX550 ATX PSU, which of course the average was £109.63, top price was £299.99 and cheapest £34.99.

We then looked specifically at the average price of products from Corsair and Corsair, the average was £97.47 for Corsair, £97.47 for Corsair. The max for each was £300/£300 and minimum was £10/£10

Price analysis of CORSAIR RM550x Modular ATX PSU

Price analysis of CORSAIR CX550 ATX PSU

  • CORSAIR RM550x Modular ATX PSU
  • 80 PLUS Gold
  • 140mm fan
  • Power your next PC with the Corsair RM550x Modular ATX PSU. With an 80 PLUS Gold certification, the PSU delivers high efficiency while staying cool and quiet. The 140 mm fan stays quiet even at full power. But if you really need to concentrate, switch to Zero RPM Fan mode which turns off the fan for an almost silent operation.Keep your cable management neat and tidy thanks to the Corsair RM550x’s modular design. Your computer won’t be clogged with unnecessary wires as you can pick and choose which ones to plug in. A storage bag is included, so the cables you aren’t using won’t get lost in a drawer somewhere.
  • Product codes:
  • CORSAIR CX550 ATX PSU
  • 80 PLUS Bronze
  • 120mm fan
  • Top features: – Efficient cooling with a 120 mm fan – Reliable, versatile design is easy to install Efficient cooling Upgrade your PC or add a reliable power supply unit to your new build with the Corsair CX550 ATX PSU, with 550 W power. The PSU is rated 80 PLUS Bronze, which is a certification for efficiency and fan design. The thermally controlled 120 mm fan is built to have little or no detectable noise during operation, so you can watch films or play intensive games without distraction.Reliable, versatile design Finished in matte black with black sleeved cables, the CX550 looks great in any system.Built and tested to exact specifications, the CX550 ATX PSU is easy to install and provides reliable operation.
  • Product codes: 843591084017

What’s better CORSAIR RM550x Modular ATX PSU or CORSAIR CX550 ATX PSU?

There are obviously a number of differences between CORSAIR RM550x Modular ATX PSU and CORSAIR CX550 ATX PSU, but there are several things that you can use when comparing the two. The first of these, which we’ve already covered, is price. Make sure you spend a bit of time deciding how much you are willing and able to spend on your product to really get a good idea if the £87.99 cost of CORSAIR RM550x Modular ATX PSU is closer to the expectation you had than the £54.99 pricep point of CORSAIR CX550 ATX PSU.

Once you’ve nailed down everything there is to know on the price of both, the next step is to really study the reviews. Taking the time to read reviews of both will really help you to decide which is a better product between CORSAIR RM550x Modular ATX PSU and CORSAIR CX550 ATX PSU. We looked at the reviews over at Currys PC World for both products and found that CORSAIR RM550x Modular ATX PSU scores out of 10 from reviews. Whereas CORSAIR CX550 ATX PSU scores 8.8 out of 10 from 21 reviews.

It’s also really worthwhile spending the time to look at the key differences between the two products. For that you can use our comparison table about which looks at the main features of both products to give you a clear idea of where one product perhaps benefits over another. When comparing the two it’s a really good idea to have an idea in your mind of the key features that you need from your Power supplies as this will help you to narrow down the products that do or don’t meet your criteria.



CORSAIR RM550x Modular ATX PSU



Rating:
9.47 out of
10