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.Yandex 磁盘：
Yandex Disk 是 Yandex 提供的云存储、文件同步和文件共享服务。它允许用户将文件存储在云上，并允许与他人在线共享文件。它由 Yandex 于 2012 年推出。它提供 10 GB 的免费存储空间。它为付费提供了有限的最大存储空间。 Yandex Disk 提供的最大存储空间为 1024 GB。
Amazon S3 和 Yandex 磁盘的区别：
| AMAZON S3 | YANDEX DISK |
|---|---|
| It is owned by Amazon. | It is owned by Yandex. |
| It was launched in 2006. | It was launched in 2012. |
| It was developed by Amazon Web Services (AWS). | It was developed by Yandex. |
| 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 requires credit-card details for free trial. | It does not require credit-card details for free services. |
| It has the unlimited maximum storage size. | Maximum storage size is 1024 GB. |
| Developer API is REST and SOAP. | Developer API is REST, WebDAV and SDK. |
| It has Amazon S3 limit as traffic or band-width limit. | It has traffic or band-width limit of 200% of storage size per day. |
| Maximum file size is 5 GB here. | Here maximum file size is 2 GB upload via Web and 50 GB upload via application. |
| It supports file versioning. | It does not support file versioning. |