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批踢踢實業坊 hardware 板

Sep 23rd 2014, 23:15, by TimsVictor

作者TimsVictor (鴿子咕咕)

看板hardware

標題[請益] usb hub插外接硬碟需額外供電嗎

時間Tue Sep 23 23:15:03 2014

原本外接硬碟已經有接電源了，插上usb hub 之後，hub還需要再額外供電嗎？有找過資料，之所以hub要額外供電是因為插在 hub上的裝置本身沒有供電，所以當所有的裝置都要靠hub供電的話會不夠，那如果裝置本身就有供電的話，這種情況還會發生嗎？謝謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 59.127.243.62 ※ 文章網址: http://www.ptt.cc/bbs/hardware/M.1411485305.A.692.html ※ 編輯: TimsVictor (59.127.243.62), 09/23/2014 23:16:43

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