1.亚马逊S3：
Amazon S3代表Amazon Simple Storage Service。它是Amazon Web Services提供的一种云存储服务。它通过Web服务界面提供对象存储。它允许存储任何类型的对象，例如用于分析，数据存档，备份和恢复，灾难恢复，混合云存储和Internet应用程序的数据湖。它由AWS在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。它基本上是一种用于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在2005年推出。可用于Windows，macOS和其他平台。
Amazon S3和Box之间的区别：
| 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. |