macbook直接进入windows7
作者:小喵鹿
春节期间有家乡的朋友找我借SSD说是他的直播工作室买了个设备需要测试一下,而我这手里没有多的闲置NVMe SSD,只能借给朋友两片Intel OPTANE M10(傲腾内存)16GB。尽管容量小了,这可是NVMe协议的小容量SSD啊。
只知道朋友买了个苹果原装的Thunderbolt 3转Thunderbolt 2转换头,这玩意价格也不便宜,在苹果官网上也要卖340元。
朋友的这台MacBook Air 2017还是非Retina屏幕的苹果本,可惜了USB 3.0接口的速率只有5Gbps,平时直播视频需要采集的视频资源都是通过这台电脑归档发客户的,传输速度的确是满了一些。但是这台苹果本是带有雷雳2端口(也就是雷电2接口),苹果官方定义这个接口的速率最高可达20Gbps,这个速度在当时算是很先进了。跟选择的USB 3.2 Gen 22(USB-C,20Gbps)有的一拼。不过需要把老款MacBook Air的系统更新升级到macOS Monterey。
说实在这个非Retina屏幕的MacBook Air 2017款还是挺耐用的,到2023年了依旧还在服役中。
标配的128GB SSD容量的确是小了一些,经常交换直播视频资源的话需要外挂移动硬盘才行。
这个配置的确是算比较落伍了。
查看了一下MacBook Air 2017的13英寸苹果本的硬件配置,Intel处理器的性能肯定是比不上M1芯片的性能了。
图形显卡是Intel Iris HD 6000,这个在Windows系统的同时代笔记本电脑上的确是不多见。
苹果的这款非Retina屏幕的素质还行,就是分辨率凑近看绝对是大颗粒。
虽然是128GB的固态盘,读取速度:1043 MB/s,写入速度:696 MB/s。这个苹果本固态盘的读写速度其实并不算差。
开箱
朋友买了个M.2 NVMe的双盘拷贝底座,这个底座最大的优势是支持同时读取2个M.2 NVMe SSD,实测在macOS系统下也是能够支持双盘读取的。。
朋友买这个拷贝底座就是为了方便跟客户交换直播视频的素材,直接将数据写入到NVMe SSD后,即可联系客户寄出去。
除了可以连Win和Mac的电脑传输拷贝文件之外,朋友说直接拿着这个硬盘底座去客户现场,用NVMe SSD插上去就可以进行整盘的数据备份,完全可以做到脱离电脑独立使用。
这个仅支持M.2 NVMe SSD插入使用,不支持M.2 SATA SSD插入使用,而且必须源盘插入A座,备份盘插入B座才行,否则数据复制后会覆盖掉。
插上独立的NVMe SSD后脱离电脑的情况下直接按下这个按键,上方有5个指示灯。其中4个指示灯,从25%、50%、75%、100%分别代表着拷贝状态下的完成进度。
铝合金材质的外壳做工的确是不错,有一个DC供电口和一个USB-C接口,一个ON/OFF电源开关键。
一定要使用标配的原装充电器才能确保拷贝底座的运行稳定。
RAID使用体验
尝试在拷贝底座上拿傲腾内存M10测试RAID 0。
在macOS系统上创建RAID 0的磁盘阵列。
这个是已经创建成功的状态。不过做了RAID 0的两片傲腾内存M10在用测速软件测会崩溃,所以没法继续进行RAID 0的测速了。
傲腾内存M10单盘测速
用Disk Speed Test For Mac测速,写入速度:137.8 MB/s,读取速度:884.8 MB/s。
用AJA System Test Lite测速,写入速度:159 MB/s,读取速度:917 MB/s。
用AmorphousDiskMark 3.1测速,读取速度:888.45 MB/s,写入速度:176.45 MB/s。
用ATTO DISK BENCHMARK测速,读取速度:902.81 MB/s,写入速度:166.61 MB/s。
用SENSEI测速,读取速度: 913 MB/s,写入速度:176 MB/s。
总结
MacBook Air 2017款的雷电2接口可以使用苹果官方那根雷电3转雷电2转换头,外接绿联M.2 NVMe拷贝底座后可以同时在macOS系统下读取两块NVMe SSD。至少目前在USB 3.0(5Gbps)接口下的速度限制已经得到解除了,在雷电2接口下理论最高20Gbps,但是读取已经快要达标10Gbps的速率了。因为我手里的NVMe SSD没有大容量的盘,所以没法让朋友测最高数据,只能说证明这个方法是可行的。这也是老款苹果电脑带有雷电2接口唯一的技术优势就是可以达到20Gbps速率,不过需要使用到苹果官方那根340元的转换头,值不值就取决于用户的使用方式和传输速度需求了。
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