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XFX PRO 550W Power Supply - P1-550S-XXB9
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XFX PRO 550W Power Supply

550W XFX Core Edition P1-550S-XXB9, 80 PLUS Bronze, 1x135mm Fan, ATX, PSU

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550W XFX Core Edition P1-550S-XXB9, 80 PLUS Bronze, 1x135mm Fan, ATX, PSU

XFX PRO 550W Power SupplyXFX PRO 550W Power Supply
XFX PRO 550W Power Supply
Product Overview
EasyRail™ Technology Provides Maximum Power
Unique, continuous EasyRail™ technology enables you to maximize available power and make set-up easy. Stack numerous power-hungry components without fear of crashing. It's also a perfect solution for hardcore gamers.

The world's only PSUs with EasyRail™
Features
• 550W of continuous power at 50°C
• Tight voltage regulation (±5%)
• High efficiency operation up to 85% (80 Plus Bronze)
• Single, high power +12V rail (up to 53A/636W)
• High quality Japanese brand capacitor (105°C)
• Quiet 135mm ball bearing fan provides superior cooling
• Supports multiple high-end graphic adapters (NVIDIA SLI & ATI CrossFire Ready)
• Supports the latest ATX12V and EPS12V standards
• Active PFC with Universal AC input
• Energy Star 4.0 and RoHS compliant
• 5-Year Limited Warranty
Technical Specification
General
Manufacturer:
XFX
Size:
ATX
Edition:
 
Wattage:
550 W
80 PLUS Certification:
80 PLUS Bronze
Max. Efficiency:
85 %
ErP / EuP Ready:
No
Cooling:
Fan
Fans:
  • 1 x 135mm
Internal +12V Rails:
 
Rail 1 +12V:
44 A
Rail 2 +12V:
N/A
Rail 3 +12V:
N/A
Rail 4 +12V:
N/A
Rail 5 +12V:
N/A
Rail 6 +12V:
N/A
Rail 7 +12V:
N/A
Rail 8 +12V:
N/A
Max. Combined Output +12V:
N/A
Modular:
No
Modular Type:
 
SLI/CrossFire:
Yes
EPS 12V:
Yes
Motherboard Connector:
20+4 Pin
Connectors:
  • 1 x 4+4pin CPU +12V
  • 6 x 4pin Molex
  • 1 x 6+2pin PCI-E Power
  • 1 x 6pin PCI-E Power
  • 1 x 8pin CPU +12V
  • 2 x FDD Power
  • 9 x SATA Power
Dimensions:
150 x 140 x 86 mm (WxHxD)
Warranty

For further information regarding Scan's warranty procedure please click here

Details
Duration:
60 months
Type:
Return to base
DOA Period:
7 days
RTB Period:
24 months
Manufacturer Contact Details
Telephone:
09068 354 400
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20+4 Pin

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1 x 4+4pin CPU +12V
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Customer Reviews
Rated 4.7 out of 5 by 7 reviewers.
Rated 4 out of 5 by Very good overall Very quiet in use, provides the power as required, no issues with it, very good overall 10 January 2015
Rated 5 out of 5 by Solid PSU for a Budget or advanced build. Got this for my new PC build, was initially drawn to the Corsair CX series but from searching around I found this to be a better alternative, very similar pricepoint (cheaper in some cases) and better build quality as a result of being SeaSonic made. Cables were easy to install, the PSU was seemingly smaller than my old one though that certainly wasnt an issue, cables are well jacketed. Some potential issues you may encounter however, I didn't mark the score down because of these since they will very much be a case by case basis. First is the amounts of cables, compared to my old PSU (it was very old) this thing has a shocking amount of cables so keep in mind how much space you have, the cables easily take up more space than the PSU itself. Therefore keep in mind how much space you have in your case, in my case the PSU is bottom mounted but in older top-mounted cases you'll have a lot of cables dangling. The other potential issue is a bit of a tradeoff, the jacketing on the cables is great for making sure they dont become a mess, unfortunately in my case (Carbide 300R) they presented issues with powering harddrives. Connecting a single drive was easy enough, however when i attempted to connect my old hard drives to transfer data I found that because of the jacketing the cables bulged out too much and prevented the case being sealed. Overall a great PSU, a very solid choice for budget builds and I'm sure for mid-range builds too, high-end youre probably looking for a bigger PSU though. P.S. Keep in mind this is the older version, while still supported this version isn't haswell compatible. It will work with a Haswell CPU, just go into your BIOS and disable C6/C7 states (these were in the overclocking section of my MSI BIOS), either as direct toggles or as a maximum level of C state. 27 November 2014
Rated 5 out of 5 by Great value and great quality This is an excellent value PSU for the money. It has all the features you need and none you dont. Great quality and it also looks good too. The wires are a bit big and hard to hide, however, for the price, you can't complain. I haven't been able to test it (I'm strapped for cash) but would guess it to work flawlessly going by the quality. I would recommend this product in a heartbeat. 17 March 2014
Rated 5 out of 5 by Great product Good product from XFX, very quiet, loads of leads for your components .What can I say - it works, totally recommend. 10 January 2014
Rated 5 out of 5 by Best power supply for the price XFX make some quality kit. This power supply is remarkably quiet, and has not given me any issues with overheating, or not providing enough power. It's a lovely change from the usual temperamental cheap power supplies you get with cases. A must buy if you are planning on any low/mid-range gaming build and don't want to have to deal with an inferior PSU burning out all your parts. 04 November 2013
Rated 4 out of 5 by good value had this for a month and a half now, had no problems supplying my radeon 7770, fx 4130 and 21 inch monitor. it also survived a blackout mid-game with no noticeable side-effects. 16 October 2013
Rated 5 out of 5 by Absolutely excellent power supply for the price + Great value for a 550W PSU + Made by Seasonic, so it'l last as much as time lasts + Loads of connectors + Sleeved wires, so your PC doesn't look like a multi-coloured mess inside + 80 Plus Bronze, so efficient and runs cool - Slightly short CPU connectors in my opinion than other competition 28 August 2013
  • 2015-05-25T07:41:40.615-05:00
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1-7 of 7
Questions and Answers
(2 Questions : 2 Answers)

Product Q&A

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seems to be be a question over how many connectors are available on this PSU
I have seen this list on another web site
XFX ProSeries 550W Core Edition Power Supply
4/20 Pin 1
ATX 12V 1
PCI-E 8 Pin 1
PCI-E 6+2 Pin 1
SATA 9
Peripheral 6
Floppy 2
Very differant from you web site
Age: 55 to 64
Gender: Male
11 months ago
Customer avatar
by
Leicester, UK
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Answers

Answer: 
We can confirm that the connectors are :-
1 x 20/204 motherboard connector
1 x 4+4pin CPU +12V
6 x 4pin Molex
1 x 6+2pin PCI-E Power
1 x 6pin PCI-E Power
1 x 8pin CPU +12V
2 x FDD Power
9 x SATA Power
I have now updated the website.
10 months ago
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Has staff answer
 
1 answer

Does the PSU have a UK mains plug?

Age: 18 to 24
Gender: Male
4 months, 3 weeks ago
Customer avatar
by
London, UK
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Answer: 
We can confirm a UK plug is shipped with the PSU.
3 months, 2 weeks ago
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  • 2015-05-25T07:42:12.739-05:00
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