Deciding on whether to buy a product like CORSAIR RM550x Modular ATX PSU or perhaps CORSAIR RM850x Modular 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.

Discover all reviews at Currys PC World:

View Reviews

CORSAIR RM550x Modular ATX PSU vs CORSAIR RM850x Modular ATX PSU

CORSAIR RM550x Modular ATX PSU specs

CORSAIR RM550x Modular ATX PSU
 CORSAIR RM850x Modular ATX PSU specs

CORSAIR RM850x Modular ATX PSU
Form factor: ATX

Form factor: ATX

Modular: Modular

Modular: Yes

Power: 550 W

Power: 850 W

80 PLUS certification: 80 PLUS Gold

80 PLUS certification: 80 PLUS Gold

FEATURES

FEATURES

Cooling: 140 mm fan

Cooling: 135 mm fan

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

Connections: – 20+4 pin ATX x 1
– 6+2 pin PCIe x 6
– 4 pin peripheral connector x 8
– EPS x 2
– SATA 3 x 6
– SATA 4 x 4
– Floppy connector x 1

Noise level: 21 dB

Noise level: 25 dB

MTBF: 100,000 hours

MTBF: 100,000 hours

GENERAL

GENERAL

Colour: Black

Colour: Black

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

Box contents: – Corsair RM850x Modular ATX PSU
– Power cable
– Modular cable set
– Modular cable storage bag
– Cable ties
– Case badge
– User manual

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

Dimensions: 86 x 150 x 160 mm (H x W x D)

Weight: 1.85 kg

Weight: 1.65 kg

Manufacturer’s guarantee: 10 years

Manufacturer’s guarantee: 10 years

Price: £87.99

Price: £125

Number of Reviews:

Number of Reviews:

Review Score: 9.7 / 10

Review Score: 8.1 / 10


When deciding on whether to buy CORSAIR RM550x Modular ATX PSU or CORSAIR RM850x Modular 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 RM850x Modular 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 RM850x Modular 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 RM850x Modular ATX PSU
  • 80 PLUS Gold
  • 135mm fan
  • Power your next PC with the Corsair RM850x Modular ATX PSU. With an 80 PLUS Gold certification, the PSU delivers high efficiency while staying cool and quiet. The 135 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 RM850x’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.And with a huge ten-year warranty, there’s no need to worry about replacing it – it’ll last several of your next builds.
  • Product codes:

What’s better CORSAIR RM550x Modular ATX PSU or CORSAIR RM850x Modular ATX PSU?

There are obviously a number of differences between CORSAIR RM550x Modular ATX PSU and CORSAIR RM850x Modular 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 £125 pricep point of CORSAIR RM850x Modular 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 RM850x Modular 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 RM850x Modular ATX PSU scores out of 10 from 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