[ubuntu-uk] [OT] ATX power supply seems to have lost it's X-factor

[Roger Lancefield]

2009/1/28 Roger Lancefield <rlancefield at gmail.com>

> On Tue, Jan 27, 2009 at 9:10 PM, Rob Beard <rob at esdelle.co.uk> wrote:
>>
>> >> I'm swinging towards an Xilence 480W PSU [1] from aria for £26, but
>> >> not sure if it's (a) worth the extra money for a quieter PSU, and (b)
>> >> if 480W will be sufficient for stability?
>>
>> 480W is way over-powered to keep that lot working to be honest.
>>
>> Do go for something quiet - nothing worse than a cheap PSU whining away.
>>
>
>
> After a no-brand PSU burned out on me, and then after receiving two bad
> (i.e. dead on arrival) Xilence PSU units from QuietPC* a year and a half or
> so back, I decided to start devoting a bit more resource to my machines'
> power supply units. By the way, talking about Xilence, I also took delivery
> of one of their case fans that had bad bearings. I'm not very impressed with
> the quality of that company's products and now avoid them like the plague.
> (*QuietPC, on the other hand, were very good, initially swapping the units
> and then giving me a full refund without any hassle. They also sent a
> courier to collect the duff units).
>
> I suspect that my main desktop is a little more power hungry than yours,
> although not a great deal so, and it's all humming (actually, very little
> "humming") along beautifully using a Nesteq "Semi-fanless" 450Watt PSU.
> Nesteq are expensive compared to the generic, Chinese-made units, but the
> build quality is superb, and the modular cabling is a welcome relief after
> those multi-tentacled, brightly-coloured looms resembling David Seaman's
> ponytail on a bad hair day. My unit is also very quiet indeed (in fact
> inaudible over the case fans and CPU cooler, despite all of these being good
> quality "quiet" items).
>
> The QuietPC technician claimed that Nesteq's units have a significantly
> more stable and reliable supply than the typical no-brand, £15-£20 jobbies
> and thus can be used in setups that would normally require higher-rated,
> cheaper units. I have no way of accurately verifying such claims, but my
> 450W Nesteq has run my (home-assembled) main desktop with its dual-head
> NVidia 7600, 2GB RAM, dual-core CPU, single HD and DVD writer, 1 x 120mm and
> 1 x 92mm case fans, large Zalman CPU cooler, etc. absolutely fine. No
> mysterious lock ups or shutdowns, or any other apparent electrical
> anomalies.
>
> You do have an extra hard-disk, and my Nvidia card is passively cooled, so
> I'm not really sure how our machines' respective power requirements compare.
> But anyway, if you're interested:
>
> http://www.quietpc.com/gb-en-gbp/products/powersupplies
>
> Cheers
>
>
Correction: my Nesteq unit is not from their "Semi-Fanless" range, but from
their "Power Plus" line (Model No. ECS 4501).
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