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  • XFX ATX 550 Power Supply - P1550SXXB9
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XFX ATX 550 Power Supply - P1550SXXB9

by XFX
35 customer reviews
| 7 answered questions

Price: £59.09
In stock.
Dispatched from and sold by BoraComputer.
7 new from £54.34 1 used from £53.81
  • Input frequency: 47 ~ 63 Hz^Input Current(Max): 8 ~ 4 Arms
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£59.09 In stock. Dispatched from and sold by BoraComputer.

Frequently Bought Together

  • XFX ATX 550 Power Supply - P1550SXXB9
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  • WD 1TB 3.5 inch Internal Hard Drive - Caviar Blue
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  • Cooler Master RR-212E-16PK-R1 Hyper 212 Evo "Ultra High Performance, 4 Direct Contact Heat Pipes, Universal CPU Cooler" Black Fan
Total price: £125.16
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Product Information

Technical Details
BrandXFX
Item Weight2.6 Kg
Product Dimensions8.6 x 15 x 14 cm
Item model numberP1550SXXB9
Wattage550 watts
  
Additional Information
ASINB004RJ8EKI
Best Sellers Rank 27,278 in Computers (See top 100)
Shipping Weight2.6 Kg
Date First Available29 Mar. 2011
  
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Product Description

Product Description

Input Voltage: 90 ~ 264 Vac

Box Contains

Video Card
Quick Installation Guide
Driver Disk


Customer Questions & Answers

Customer Reviews

4.3 out of 5 stars

Most Helpful Customer Reviews

2 of 2 people found the following review helpful By Scampo TOP 500 REVIEWERVINE VOICE on 8 Oct. 2012
Vine Customer Review of Free Product ( What's this? )
This new PSU has been running for well over a month in my son's Asus P8P67 i5 computer and it's proving to be an excellent and very quiet power supply.

It was easy to fit indeed, given the many connections that have to be made. Here are some tips for those who feel trepidation in doing this:
i) it's very straightforward so don't feel worried but do be quite sure you disconnected the mains plug before opening the PC; you'll need to remove both sides and possibly the top, too in order to remove the old PSU and fit this one;
ii) remember to discharge any static in your body by touching some bare metal of the computer case now and then while working as a static spark on any of the delicate electronic chips could ruin it;
iii) a good idea is take a few photographs of the motherboard before starting on the job, noting where each and every plug from the power supply goes, if in doubt write this down, too.

Some people have mentioned the cable length and I can't imagine why because they were all plenty long enough for the case - which was a typical one for a desktop PC, the excellent Coolermaster Silencio 450. All in all - there's not much to be said - it works extremely well and is very good value indeed. Highly recommended.
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7 of 8 people found the following review helpful By Steve on 4 Mar. 2013
I first built my PC in August 2011, which consisted of fairly low end parts and a 450w generic £5 psu.

However, I upgraded my GPU and CPU (about 170w extra load) in March 2012
Then the problems started, constant BSOD's, Unstable OC's and stupid voltage ripple out of ATX12v Regulations.

Under load the CiT 450w psu would drop from a measly 11.6V at idle to 10.8V under load, oh dear.

I was just playing a game and the pc just shut off, not happy (September 2012)

10minutes later, fire up PC and smoke.

I purchased the XFX PSU to replace it and boy was I impressed.

Good sleeving, Nice looking PSU, 44A on a single 12v rail from a 550W!

6 Months on, PSU is very quiet (under a 400-450w load) (Phenom X4 955 OC @ 4.0Ghz and Radeon 6850 OC at 950/1100)

Idle:

+12V - 12.1 - 12.2V
+5V - 5.09 - 5.14V
+3.3 - 3.35V

Load:

+12V - 11.98 - 12.05V

Holds its 12v very well even under a fair load, great psu.

All in all, I spent £30 originally on Case + PSU, bought this for £50 and a new Zalman Z9 Plus to go with it totaling with express delivery @ about £100

Awesome Job XFX (also have 2 of your graphics cards:)
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2 of 2 people found the following review helpful By Stephen Hague on 9 April 2014
Verified Purchase
A great power unit but would be good to know, before buying, that it comes with a 2-pin Euro plug. Luckily a friend had a spare UK standard power cable, so it was OK, otherwise it would have been a bit of a pain. Having now trawled through other reviews, I see that other customers have noted this issue... please make it clear in the product details/description.
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Verified Purchase
I ordered one of these for my new system build on the back of positive reviews on various websites (and the fact that XFX PSUs are made by Seasonic). Unfortunately, having assembled my system I was greeted by the sight of the fans spinning up and then immediately stopping. At first I thought it might be a motherboard short, but after testing the PSU with my old system I confirmed that it was DOA. This was extremely frustrating to say the least, as the late hour meant it would be two days before Amazon could get a replacement to me and my new system was useless without power.

When the replacement unit arrived I was relieved that it worked and appears to be coping well with the power requirements of my system. To give you an idea of what it's running, I have a Core i5 4690K, a Z97 motherboard, 8GB 1866MHz DDR3, 1x Crucial SSD, 2x Samsung HDD, 1x LG Blu-ray/HD DVD writer, an MSI GTX 970, and various attached USB devices such as external HDD and docks. I really appreciate the single 12v rail design, which makes things much easier than the old days when you had more than one rail and could run into problems if you had a power-hungry graphics card vying for dominance with the other components. I haven't had any reboots or crashes yet, even during several long periods of gaming, so it appears stable and it's quiet enough to lead me to believe that it's not being unduly taxed under load. Obviously it's still early days, and given that my first unit was DOA long-term reliability is a cause for concern. You do get a generous five-year warranty, but from what I've heard the RMA process is a bit of a nightmare, and besides, who wants to be without a PSU for the length of time it takes an RMA to process? Fingers crossed this replacement PSU is one of the good ones!
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Verified Purchase
Nice psu i had done my research i thought i did until i looked on the official site "i will not take the chance of damaging my haswell"

XFX announces the compatibility of XFX Pro Series PSUs with Intel’s new 4th generation Intel Core processor, code-named "Haswell", and their ability to go into a lower power sleep state. These select power supplies have been tested to assure readiness to support the new 4th generation Intel Core processor family.

When an Intel Core (i3, i5, i7) processor is idle, it enters a sleep state that requires less power than when the CPU is active with a minimum current of 0.05 Amps at 95W and 65W. Since the motherboard voltage regulation modules that provide power to the CPU gets their power from the power supply's +12V rail, these sleep states can dramatically reduce the load on the power supply's +12V rail.

According to Intel's presentation at IDF, the new Haswell processors enter a sleep state called C6/C7 that can drop processor power usage as low as 0.05A. Certain legacy PSUs may become unstable at the new minimum load of 0.05 Amps and trigger the PSU’s under/overvoltage protection circuit causing the PSU to shut down. This will require the user to cycle the power on their power supply using the power switch on the back of the unit.

XFX power supplies use a +12V design that allows for a minimum of 0A so they will not have an issue with the new low power sleep states allowing the CPU to enter deep sleep mode without any problems. XFX manufacturing partner Seasonic in conjunction with Intel have worked together to confirm that all XFX Pro Series PSUs listed below are compatible with Intel's new 4th generation Core processor family for new CPU upgrades to current systems and future new builds.
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