1.亚马逊S3：
Amazon S3 代表 Amazon Simple Storage Service。它是由 Amazon Web Services 提供的云存储服务。它通过 Web 服务接口提供对象存储。它允许存储任何类型的对象，例如用于分析、数据归档、备份和恢复、灾难恢复、混合云存储和互联网应用程序的数据湖。它由 AWS 于 2006 年推出。
2. 盒子：
Box 是 Box Incorporation 提供的云存储和文件托管服务。它是由Aaron Levie和Dylan Smith 开发的。它基本上是面向企业的云内容管理和文件共享服务。它提供 10 GB 的存储空间。它由 Box Incorporation 于 2005 年推出，适用于 Windows、macOS 等平台。
Amazon S3 和 Box 的区别：
| Amazon S3 | BOX |
|---|---|
| It is owned by Amazon. | It is owned by Box Incorporation. |
| It was launched in 2006. | It was launched in 2005. |
| It was developed by Amazon Web Services (AWS). | It was developed by Aaron Levie and Dylan Smith. |
| It does not offer free storage space. | It offers 10 GB free storage space. |
| It has the unlimited maximum storage size. | Maximum storage size is 100 GB for personal accounts and unlimited for business accounts. |
| It supports file versioning. | It supports file versioning in premium accounts only |
| It does not support remote uploading. | It supports remote uploading of 30 MB per file via IFTTT. |
| Maximum file size in Amazon S3 is 5 GB. | Here maximum file is 250 MB for free, 5 GB for paid personal, 5 GB for business and enterprise accounts. |
| It requires credit-card details for free trial. | It does not require credit-card detail for free services. |