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. 媒体火：
MediaFire 是由 MediaFire LLC 提供的文件同步、文件托管和云存储服务。它为 Windows、macOS、Linus、Android、iOS 和 Web 浏览器提供客户端软件。它由Derek Labian和Tom Langridge创立。它提供 10 GB 的免费存储空间。它为付费帐户提供有限的存储空间。它于2006年推出。
Amazon S3 和 MediaFire 的区别：
| AMAZON S3 | MEDIAFIRE |
|---|---|
| It is owned by Amazon. | It is owned by MediaFire LLC. |
| It was launched in March 2006. | It was launched in June 2006. |
| It was founded by Amazon Web Services (AWS). | It was founded by Derek Labian and Tom Langridge. |
| It does not offer free storage space. | It offers 10 GB free storage space. |
| It provides unlimited maximum storage space for paid. | It provides limited maximum storage space for paid. |
| It is not supported by all operating systems. | It is supported by all operating systems. |
| It has the unlimited maximum storage size. | Maximum storage size is 100 TB here. |
| It supports file versioning. | It also supports file versioning. |
| Maximum file size is 5 GB here. | Here maximum file size is 20 GB. |
| Resumption of interrupted downloads may lead to failure. | Resumption of interrupted downloads is possible. |
| It does not have referral system for gaining additional free storage space. | It provides additional 50 GB free storage space for referral up to 1 TB pro accounts. |
| It does not support remote uploading. | It supports remote uploading. |
| It requires credit-card details for free trial. | It does not require credit-card for free services. |