引用:
Originally posted by qcmadness at 25/8/2006 12:14:
300W / 24x7都係$200一個月, 點慳$170呀
只計我部電腦 : 400(耗電量)/0.7(efficiency)*12(開機時間)*30(一個月)/1000
我屋企個個月都接近 $2500 電費(呢 d 日子開冷氣又成日起屋企係咁, 間屋又大 .__.)
如果電費 $2500 即係每度電係一毫(港燈)即係*1 = $205
85% efficiency = $169
換一部 desktop 的火牛, 再 cut 一部 desktop, cut 一部 notebook, 七除八減咪走左 $170 出黎 (當然俾阿媽睇就作大左少少 .__. 總括而言都可以慳 ~$130 以上)
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Last edited by BeleBala on 2006-8-25 at 12:27 ]