回復  qcmadness

咁我部Dell廠机得果350W係咪唔係好夠力水呢?有冇須要換成460W火牛呢?

部机係 :   
H ...
Jim128 發表於 2013-5-11 14:45



廠機牛都唔夠力一早比人告到甩褲啦
佢地點可能唔計清楚功耗先推出黎?

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通常火牛在 40% - 70% loading 時轉換效率較好

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回復 21# da87

你講得啱。
因為有隻Dell嘅460W火牛在手,所以想知是否有需要(或值得)拆咗原裝350W火牛而換入460W火牛。請各師兄指教!

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絕對錯誤
qcmadness 發表於 2013-5-11 14:41

請說明錯什麼?

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如果你唔係用張好食電GE display 同好多HARDDISK 應該都冇問題

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佢冇錯wo, 理論火牛(AC-AC)既轉換的確係50% loading 係最高efficiency,所以點解個efficiency curve係倒v ...
benson6882004 發表於 2013-5-11 20:15

The contribution of transformers in percent losses of switch-mode power supplies is 2~4 % according to the following link.
http://efficientpowersupplies.epri.com/pages/SC%20Project%20Power%20Supply.pdf
Contributions.JPG
2013-5-12 17:33

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回復  qcmadness

咁我部Dell廠机得果350W係咪唔係好夠力水呢?有冇須要換成460W火牛呢?

部机係 :   
H ...
Jim128 發表於 2013-5-11 14:45


Platform power consumption as reference, i7 3770k with HD5870
http://www.anandtech.com/show/56 ... ew-core-i7-3770k/10

Power consumption scaled with GTX 680 2GB
http://www.tomshardware.com/revi ... -3770k,3181-23.html

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部機有無睇溫度?

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講真,如果有高品質低火數牛,我唔介意貴D都會用,但係好多時事與願違,靚料靚牛,好多時都係用高火數好D,我隻Enermax Galaxy DXX 1000W,都用左超過五年了

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我會prefer quality 多過w

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