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Tech Head - The Technology Section
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<blockquote data-quote="Vipersan" data-source="post: 900916" data-attributes="member: 325666"><p>Just because a psu can deliver 800W it doesn't mean it has to ....</p><p>Current capability is only important when needed..</p><p>Say for example when a PC with many hard drives first boots ..all drives spin up and current demand is high...</p><p>This rapidly drops as drives etc spin down..</p><p>But this high demand phase is the usual point at which the psu fails ...ie boot phase.</p><p>I prefer to err on the side of caution..</p><p>my 12TB server for example absolutely requires 800W during boot up ..but Idles at about 150 to 200W in general use.</p><p></p><p>This same principle applies to TVs and the like ..</p><p>most failures occur at switch on ...</p><p>A complex psu with delayed startups to the various stages (soft start ..each section needing to establish before the next is allowed to start)...such as those found in plasmas are more reliable ..but still not 100% reliable due to nothing more than inferior component spec..</p><p>..which I refer to often as built in obsolescence..</p><p></p><p>rgds</p><p>VS</p></blockquote><p></p>
[QUOTE="Vipersan, post: 900916, member: 325666"] Just because a psu can deliver 800W it doesn't mean it has to .... Current capability is only important when needed.. Say for example when a PC with many hard drives first boots ..all drives spin up and current demand is high... This rapidly drops as drives etc spin down.. But this high demand phase is the usual point at which the psu fails ...ie boot phase. I prefer to err on the side of caution.. my 12TB server for example absolutely requires 800W during boot up ..but Idles at about 150 to 200W in general use. This same principle applies to TVs and the like .. most failures occur at switch on ... A complex psu with delayed startups to the various stages (soft start ..each section needing to establish before the next is allowed to start)...such as those found in plasmas are more reliable ..but still not 100% reliable due to nothing more than inferior component spec.. ..which I refer to often as built in obsolescence.. rgds VS [/QUOTE]
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