RapidDisk is described as '(or rxdsk) is designed to be used in environments requiring high performing data transfers and has been designed with simplicity in mind. Utilizing a management binary application, the system administrator is capable of dynamically adding new RAM based block devices of' and is an app in the cd/dvd tools category. There are six alternatives to RapidDisk for Windows and Linux. The best RapidDisk alternative is PrimoCache. It's not free, so if you're looking for a free alternative, you could try m/prefetch or Gavotte Ramdisk. Other great apps like RapidDisk are Primo Ramdisk, GiMeSpace RAM Folder Pro and SuperCache.