This were SSDs differ from mechanical drives, you really don't want to format them, what you want to do is secure erase them.
Doing a full format on an SSD is equivalent to filling the drive, a quick format is fine, you want the cells to be empty for best performance. With NAND you can read from them, but to write to the cell it must be empty. If there is any data in the cell the controller must first erase the cell and then write to it. The extra step will case a slowdown in write performance.
What you want to do instead of a format is a secure erase, how to is here
The administrator has disabled public write access.