What's Block-Level transfer?

When you upload file to other FTP servers, the whole file will be uploaded. Even if you just added a single byte to this file. As you can image that it's a total waste of time and bandwidth. Block Level transfer work in different way, it only copies changed part, not the whole file. It will improve the transfer performance significantly.

	Normal transfer When a file is changed, the whole file will be uploaded or downloaded even if the source file changed a single byte. It's a total waste of time and bandwidth!
	Block-Level transfer Only changed part will be transferred. You can image that how much time and bandwidth you can save for 100 MB files, 1 GB files.

We did several tests so you can know how fast it can be:

• Client and Rock FTP Server are connected via WIFI, speed limits to 500KB/second
• Local and remote files are same, then we added a single byte at the beginning of each local files

 Buy a License to enjoy the great features now or download a 30 days trial version

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