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Which PSU

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January 15, 2013 6:09:36 PM

Hello everyone on Tom's Hardware,

I've come to this site/forum a number of times and always with great success, so I would like to say thank you. Now I have signed-up and I'm here to bore you with a PSU recommendation post! Apologies in advance.

I have been making some component upgrades over the last few months and now it's time to replace my PSU as it's the noisiest component (much to the disbelief of my WD Raptor HD). I know my setup is older than most, but it runs fast and without any issues; it also makes a great HTPC – except for the PSU fan noise.

Foxconn K8M890M2MA-RS2H (Socket AM2)
AMD Athlon 64 x2 5600+ (2.9 GHz, 89W, Brisbane core)
Arctic Cooling “Alpine 64 PWM” CPU cooler
2 x 1GB Kingston Hyper-X DDR2 800MHz (5-5-5-18)
Gigabyte Geforce GT240 512MB GDDR5
WD Raptor HDD [SATA] - Boot Drive
WD Caviar HDD [PATA] - Data Drive
WriteMaster 48x DVD+RW [PATA]
Xilence Fan Controller (Fans: 2 x 120mm, 1 x 80mm)
Hiper HPU-4S425 425W [2004 model]
Windows 7 Ultimate 64-bit

One random anomaly in my system is the recommended PSU wattage for the Gigabyte GT240 GPU, Nvidia and most other companies offering a GT240 variation recommend at least a 300W PSU, but Gigabyte advise a minimum 450W PSU?! The card doesn't draw more than 69W according to Nvidia and in this review it draws only 51W fully loaded:

http://benchmarkreviews.com/index.phpoption=com_content...

I've been looking at a few different 400W-500W PSUs and I was hoping I could get some feedback from any members willing to read and reply to my post!

I'm looking for something nice and quiet, at lease 80plus, for around £30-£35 - I'm a bit limited on funds at the moment. So, without further adieu here are the candidates (in ascending order of price):

FSP 400W 80plus Certified Power Supply Unit OEM PSU - http://www.cclonline.com/product/98232/9PA4005502/Power...

Xigmatek Tauro 400W PSU (80plus Bronze) - http://www.technextday.co.uk/products/UPS-Power-Supply/...

OCZ CoreXStream 500W PSU (apparently no 80plus certification) - http://www.novatech.co.uk/products/components/powersupp...

Novatech PowerStation Gaming 400W Silent ATX2 Modular (80plus) - http://www.novatech.co.uk/products/components/powersupp...

XFX ProSeries 450W Core Edition (80plus Bronze) - http://www.novatech.co.uk/products/components/powersupp...

Any recommendation, advise, info is greatly appreciated.

More about : psu

a b ) Power supply
January 15, 2013 6:41:18 PM

Get the xfx, it's the best of those psus, 450w is plenty, so the question is what's the best of them, the xfx is the one to take in consideration, it has the best quality of them all(seasonic oem psu).
January 15, 2013 7:15:48 PM

djangoringo said:
Get the xfx, it's the best of those psus, 450w is plenty, so the question is what's the best of them, the xfx is the one to take in consideration, it has the best quality of them all(seasonic oem psu).



Thanks for the recommendation,

After I read it I decided to look at a few online reviews of the XFX PSU. On Kit Guru it was given a a very respectable 8.5/10 and they didn't really have anything bad to say about it.

http://www.kitguru.net/components/power-supplies/zardon...

However, on a Jonny Guru review the PSU was throwing 12+ voltages that were really high, also that it wasn't quite spec'd internally as the box/marketing material made it out to be. The final comment was that it was a decent PSU but not recommended due to the 12+ voltages?!

http://www.jonnyguru.com/modules.php?name=NDReviews&op=...

Now, I'm not completely up to speed on the intricacies of PSUs, but would the lack of Over Current Protection be any cause for concern? Would it make any difference on the voltages being in the UK (230V instead of 115V)?

Many Thanks
Related resources
January 15, 2013 7:43:40 PM

Ahhh, just educating myself a little bit.

Correct me if I'm wrong but PSUs with a single 12+ rail don't use OCP; it's mainly a protection used on multi-rail PSUs. So ignore my query about no OCP on the XFX PSU. I do know that Seasonic PSUs are amoung the best, but it's not within my budget ATM. Out of interest, is there any love for the Xigmatek PSU, or are they a bit poo?

Thanks
a b ) Power supply
January 15, 2013 7:49:20 PM

It has a uk/european plug with that supports 230V, the xfx is a good one, it's seasonic, the second test was when only crossloaded,for your system it will be fine, the xfx is still your best option of those all above.
The xigmatek is also decent, but for me the xfx 450w is the best option, along with the second best the ocz one.
January 15, 2013 7:53:06 PM

StinkyPete said:
Thanks for the recommendation,

After I read it I decided to look at a few online reviews of the XFX PSU. On Kit Guru it was given a a very respectable 8.5/10 and they didn't really have anything bad to say about it.

http://www.kitguru.net/components/power-supplies/zardon...

However, on a Jonny Guru review the PSU was throwing 12+ voltages that were really high, also that it wasn't quite spec'd internally as the box/marketing material made it out to be. The final comment was that it was a decent PSU but not recommended due to the 12+ voltages?!

http://www.jonnyguru.com/modules.php?name=NDReviews&op=...

Now, I'm not completely up to speed on the intricacies of PSUs, but would the lack of Over Current Protection be any cause for concern? Would it make any difference on the voltages being in the UK (230V instead of 115V)?

Many Thanks


djangoringo said:
It has a uk/european plug with that supports 230V, the xfx is a good one, it's seasonic, the second test was when only crossloaded,for your system it will be fine, the xfx is still your best option of those all above.
The xigmatek is also decent, but for me the xfx 450w is the best option, along with the second best the ocz one.



Cool, many thanks for taking the time to help me out.


All the best
!