Hong Kong server hosting and leasing are two different service models, and there are some differences in management, control, and responsibility distribution. Here are their main differences:

　　Server control:

　　Hosting: In server hosting mode, you place your own server hardware in the data center, but you still retain direct control over the server hardware and operating system. You need to purchase the server hardware yourself and be responsible for installing, configuring and maintaining the operating system, network, etc.

　　Rental: In the server rental mode, you rent cloud server resources, usually virtual machine instances, without purchasing server hardware. You can choose the server configuration, operating system, etc. according to your needs, but hardware management and maintenance are usually the responsibility of the cloud service provider.

　　Hardware maintenance:

　　Hosting: In the hosting mode, you need to be responsible for the maintenance of the server hardware yourself, including the repair and replacement of hardware faults.

　　Leasing: In the leasing model, the cloud service provider will be responsible for the maintenance and management of the server hardware, including the handling of hardware failures.

　　Flexibility and scalability:

　　Hosting: In the hosting mode, you can freely choose the hardware configuration and operating system, but expansion and upgrades may be relatively slow and require the purchase of new hardware.

　　Rental: In leasing mode, you can adjust the server configuration at any time according to actual needs, and you can easily expand or reduce server resources as needed.

　　cost:

　　Hosting: The hosting model usually requires a higher initial investment because you need to purchase server hardware and also pay for computer room hosting fees.

　　Rental: Under the rental model, a pay-as-you-go method is usually used, which avoids high initial investment and is paid based on actual usage.

　　Technical Support:

　　Hosting: In the hosting mode, you need to solve the problems of server hardware and operating system by yourself, and you need to have certain technical capabilities.

　　Rental: Under the rental model, cloud service providers usually provide 24/7 technical support to help you solve hardware and software problems.

　　Based on your needs and technical capabilities, you can choose a hosting or rental model that suits you. Hosting is suitable for users who require greater control and customized performance, while leasing is more flexible, convenient, and suitable for application scenarios that require rapid deployment and elastic scaling.