IDrive.com提供的免费初始大小有5G，做完所有任务可达到65G，另外就是它的分享文件的方式做得不错，有天数，下载数和密码的限制设置，而且下载页面无广告。下载和上传的速度和国内差不多在线备份无限电脑，苹果电脑，iPhone手机，iPad和Android设备到一个帐户！
The 100% free plan from IDrive gives you 5 GB of online backup space. This free plan supports all features of IDrive. To sign up, there is no need for a credit card.
https://www.idrive.com/idrivee/jsp/ide_freesignup.jsp