Since RAM is volatile, everything on the disk is wiped when you power down (unless you configure the software to save an image).
Transfer speeds can exceed 10,000 MB/s, dwarfing the 500–7,000 MB/s found in physical drives. ramdisk free tool
If your computer crashes or loses power, everything on the RAMDisk is lost unless you are using a tool that periodically saves an image to your SSD. Since RAM is volatile, everything on the disk
Excellent management of "disk images," allowing you to save your RAMDisk data to your hard drive automatically when you shut down. Since RAM is volatile