聊聊 2016 MBPR 的接頭- USB-C Magsafe - MAC
By Ursula
at 2016-11-10T14:37
at 2016-11-10T14:37
Table of Contents
MBPR 發表會已經結束一段時間
看著網路上不同的開箱文,想聊聊 MBPR 接頭的問題。
簡單講,就是未來只有 USB-C 接頭,沒有其他了
越貴的裝置 USB-C 接頭就越多,我看 APPLE 可考慮把接頭數可能當成賣點了
依照 APPLE 的產品演化,其他接頭通通回不來了
不過反正是未來驅勢, APPLE 不做我覺得也沒人要做了,所以就…轉接器準備買了。
===============================名詞解釋==========================
首要,先分清我們要講的 USB-C 是接口的規範,只要做成那種大小的,都叫 USB-C
我覺得 USB-C 接口最大的好處是沒有正反面,插反USB的時間不知浪費我多少的生命
目前主流做成 USB-C 接口的轉輸規格,有 USB3.0 、 USB3.1
另外就是今年發布的 Thunderbolt3 也將採用 USB-C 接口
他們的轉輸速度上限分別不同 : USB3.0 ------- 5Gbps
USB3.1 ------- 10Gbps
Thunderbolt3 - 40Gbps
可以看得出來 Thunderbolt3 贏不少,題外話 APPLE 目標好像是 2020 達到 100Gbps
名詞弄清楚,很多文章才讀得懂
最常看到的就是要說 Thunderbolt3 說成 USB-C
如果你了解這一段,就該知道他們是不一樣的了。
因為不是所有的 USB-C 都支援 Thunderbolt3
============================================================
用外關於 Mini DisplayPort 及 Thunderbolt 歷史 就在這裡補充一下
這些也是在Wiki就可以查到 基於科學精神,我挑重點把他整理一下
首先就是 2015 前的 MBPR 所擁有的 Mini DisplayPort
Mini DisplayPort 是一個 Port
由 DisplayPort 後來改小變成 Mini DisplayPort
主要是拿來顯示用的 (或者說這是一開始的目的)
在2008年開始 Mini DisplayPort 就開始被 APPLE 所使用一直用到了現在
隨著新的NMB及MBPR發表 就知道 Mini DisplayPort 在 Macbook 上,要宣告末期了
從誕生(08)到宣告末期(16)共8年,之後將不會再有新東西,將會逐漸邁向死亡
在這八年間,APPLE 也將 INTEL發表 的 Thunderbolt 加進 Mini DisplayPort
2011的後的機型有了 Mini DisplayPort with Thunderbolt
2013年後的機型有了 Mini DisplayPort with Thunderbolt2
速度上限分別是 Thunderbolt(10Gbps)、Thunderbolt2(20Gbps)
分辨 Mini DisplayPort 有沒有包含 Thunderbolt 就是看接口接的圖案
如果是個閃電那就是包含 Thunderbolt,如果是個瑩幕,那就是單純Mini DisplayPort
( 參考:https://support.apple.com/zh-tw/HT204149 )
這個不只在 鋁合金機身上有印,APPLE賣的轉接線的也都有印,我覺得真的很明暸
Thunderbolt、Thunderbolt2 都是做成 Mini DisplayPort的接口
Thunderbolt3 做成 USB-C 接口,別搞混了。
==================================================================
回到 USB-C 來討論 ,這裡以問答型式來寫或許比較容易懂
問: 所以我之前買的轉接線是不是要都要重買?
答: 這也是我在乎的,簡單來說,如果只待在APPLE圈內,我會說「是的,全部重買」
因為舊的接頭會在 APPLE 產品上消失
不過說全部感覺很多,我自己有的也就是轉投影機 和 轉網路線的
所以就是買「兩條」,只是一條不便宜而已…
問: 那我買舊版的MBPR不就好了?官網還有在賣,這樣我舊的接頭就可以共用了。
答: 我會說,如果打算就是那一台電用到老,那我同意。
不然一旦你想換新的電腦,你還是得重買新的轉接頭
那因為「現在不要買轉接頭」而選擇舊一代設計,我覺得不划算
因為,你遲到都會買的。
不過如果你未來不一定還會待在APPLE圈,就不在這討論範圍。
問: 可是我就是不想全部重新買,記得APPLE不是有出 USB-C 轉 Thunderbolt2嗎?
我買那個就可以繼續用我舊的接頭了,這樣舊的轉接頭就不用丟了
答: 小心!注意你舊的接頭到底是什麼接頭。
比如我有的兩條分別是「Mini DisplayPort轉VGA」「Thunderbolt轉giga網路線」
這兩條插在我的2013 MBPR 的孔是同樣的,很容易誤會他們是一樣的
不過一個是 Mini DisplayPort 另一個是 Thunderbolt 哦!是不一樣的
如果忘了的話請看前一段。
但是你要買的「USB-C 轉 Thunderbolt2」是只轉成 Thunderbolt2
所以舊的「Mini DisplayPort轉VGA」是不能用的
問: 什麼?怎麼可能不能用?那「USB-C 轉 Thunderbolt2」是要賣給誰的?
答: 主要是賣給擁有Thunderbolt裝置的人,恩,有點廢話。
常見的 Thunderbolt 裝置像是瑩幕、磁碟陣列、外接顯卡
有這些設備的,可能考慮買這個轉接器,延長這些設備的壽命
或是像我原本就有「Thunderbolt轉giga網路線」,我也可以再買這條轉。
所以,不要買錯了。
問: 如果我買新的轉接頭,舊的轉接頭怎麼辦?
答: 丟掉或賣掉吧…我要整理一下我的轉接頭來個出清了
如果你還缺Mini DisplayPort 轉接頭這會是一個買二手貨的好時機
問: USB-C 接頭好貴,有沒有便宜的?
答: 現在APPLE限時特價,特價是到12月底止,不過越快買越好
也可以選擇買 3合1、4合1 之類的轉接頭,只要不怕太大個就好。
問: 你的標題有寫到Magsafe,這通篇文章都沒講到耶?
答: 摁,就知道我有多不想講了,這個接頭也是間接宣告死亡
APPLE 把充電改成 USB-C 我可以理解
反正從 Magsafe 到 Magsafe2 時也是痛過一次了
但!這次不一樣!
之前 Magsafe2 誕生時,是伴隨著 「Magsafe 轉 Magsafe2 轉接囂」
所以我舊的變壓器可以繼續使用
變壓器我壞過幾顆、也修過幾顆、也買過幾顆
目前我身邊有三顆,家裡一顆、辦公室一顆、隨身出門會帶的一顆
然後換成 USB-C 後,通通變垃圾了
我真的不在乎改成 USB-C ,但為什麼不能出轉接頭呢?
「Magsafe2 對 USB-C 轉接器」還可以賣錢多好
Magsafe 專利在 APPLE 手上,似乎也沒有Magsafe2副廠的轉接頭
而且要做在 NMB 出來時就該有人做了…
簡單說,我目前有三個即將變成垃圾的變壓器!可喜可賀啊!…
問: 所以我該怎麼挑MBPR?有什麼建議嗎?
答: 我假設你根我一樣,用APPLE習慣了,不會出走。
我來替你分析一下
(1)2015MBPR 優:接頭可延用、舊的Magsafe變壓器延用
缺:未來升級,接頭還是得重買
(2)2016MBPR 優:享用最新設計、更好的CPU、更快的SSD、更大的RAM....
更好的瑩幕,更新的觸控板
缺:轉接頭全部重買,長痛不如短痛,反正遲早要買的
更爛的鍵盤...
問: 你上一題的答案,我早就知道了,我想了知道你有什麼打算?
答: 我在的設備是 2013MBPR 8G RAM 256G SSD 三個變壓器 兩條轉接線
電腦還很夠用,再一、兩年應該沒問題
這段時間慢慢出清變壓器和轉接線,及盡量不添購Thunderbolt設備
兩年後脫胎換骨買 2018 late MBPR 以及接頭。
歡迎討論、糾正,謝謝!
參考資料:
https://support.apple.com/zh-tw/HT204154
http://www.apple.com/tw/shop/product/MMEL2FE/A/thunderbolt-3-usb-c-對-thunderbolt-2-轉接器?fnode=8b
https://zh.wikipedia.org/wiki/Mini_DisplayPort
https://zh.wikipedia.org/wiki/Thunderbolt
http://www.akitio.com.tw/blog-thunderbolt/usb3-1type-c
--
Tags:
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at 2017-12-24T17:12
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