創見 HUB3 vs 小米 USB 3.0 HUB - 儲存設備
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By Charlotte
at 2020-08-11T22:16
at 2020-08-11T22:16
Table of Contents
推 school4303 : 抱歉 我有點看不太懂 所以這個意思是有外接電源比較
→ school4303 : 好囉?
對,要接2.5" 外接硬碟,HUB一定要外接電源
→ birdy590 : 創見這台只接一顆有點大才小用吧 同時推四顆都OK了
b大說的沒錯,也許真的能推四顆,但還是需要 Y線電壓才足,所以最安全就兩顆
下面有一組實驗可以看看
推 phew18 : 請問k大是用USB電流計量的嗎,可否請問是哪牌的謝謝
看圖應該google一下就有 (直講怕廣告嫌疑
推 tacitus : 抱歉我也看不懂,接電腦怎麼沒分有沒電源供應器?
→ tacitus : 我家的外接硬碟都有電源供應器接孔啊,電源供應器是
→ tacitus : 自己另外買的,台達電6A12V
t大你的外接硬碟應該是 3.5" 大顆的,所以一定需要自己的外接電源
我外供指的是HUB本身的外接電源是從電腦或充電頭過來
→ photoless : 小米用type c電源,好用穩定,價格又殺
CP值真的高,但typeC 外接電源我自己實測起來供電效果先打個問號
也許是我測試手法問題也不一定,僅供參考~
下面除非特別註明,2.5"外接硬碟都接Y線
因為Y線電流沒有兩邊同時觀察,請著重在電壓數值
測試手法是用Crystal Disk Mark 測外接硬碟 Seq 讀寫
==== 直接PC ====
1) Y線只接一邊
4.95V
https://imgur.com/AEmYyXC
==== 小米 ====
1) 無任何外接電源
4.82V
https://imgur.com/gvRpWFY
2) 從電腦拉外接電源到 TypeC port
4.77V
https://imgur.com/0WioOk4
3) 從小米充電板外接電源到 TypeC port (5V--2.1A)
4.73V
https://imgur.com/14gbzar
==== 創見 (外接 12V變壓器) ====
1) 單獨一顆外接硬碟接 Y線
4.93V
https://imgur.com/VydbwnT
2) 單獨一顆外接硬碟 Y線只接一邊
4.88V
https://imgur.com/X8bFVSN
3) 兩顆外接硬碟都跑測速
4.93V
https://imgur.com/Y9k0sH4
HUB3 這麼多人推不是沒道理,雖然電壓比直接接電腦USB port略低
但能同時撐住兩顆外接硬碟就值得讚賞了
以上資訊提供給各位
PS. 這顆TOSHIBA測完也差不多快掛了... SMART一片紅 GG
※ 引述《keterwang (哪裡有彩虹)》之銘言:
: 昨天剛好入手小米 HUB, 拿手上TOSHIBA U3 2.5" 外接硬碟測試順便跟創見HUB3 比較一下
: 電腦 : Intel NUC 6
: 創見 HUB3 :
: 1) w/ w/o 12V supply
: 小米 :
: 1) w/o 5V supply
: 2) 1 額外電腦 5V to TypeC supply
: 3) 1 額外 U11 9V 充電器 to TypeC supply
: 實驗結果 :
: 先說結論, 外接硬碟直接電腦是最安全,
: 接HUB則一定要是附變壓器的HUB, 並上 Y cable, 然後祈禱自己人品不錯,
: 直接電腦
: 1) 非Y線全速, 4.97V, 0.51A
: 創見
: 1) w/ 12V supply
: 非Y線全速, 4.88V, 0.51A
: Y線全速, 4.93V, 0.49A
: 2) w/o 12V supply
: HUB同時接上兩個裝置會降到3.7V, 硬碟認不到
: 小米
: 1) w/o 5V supply
: 非Y線跑全速, 4.82V, 0.51A
: Y線跑全速, 4.74V, 0.51A (!?
: 2) 電腦外供
: 非Y跑全速 4.88V, 0.51A
: 3) U11充電器外供
: 非Y線跑全速, 5.10V, 0.39A,
: 也許是非5V 2A 充電器導致電壓轉換不正常今天可以再找個 5V 2A 充電器測試看
--
Tags:
儲存設備
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