Cacheman - Version 10.20 Memory is one of the most important pieces of computer hardware as it is in constant use no matter what a PC is used for. There is a tremendous number of variables that can influence the speed and performance of memory, and this in turn will affect the overall performance of a computer. Cacheman (short for Cache manager) can help by making it possible to optimize system cache and take control of RAM. A computer cache is a software or hardware component that stores user data so that future requests for that data can be served faster.Cacheman is suitable for use by experts and novices alike, and there are a number of manual and automatic optimization settings available to suit all levels of ability. Cacheman automatically optimizes how Windows handles memory. Depending on what the PC is used for, a range of computer performance profiles is available including gaming, graphics workstation, digital audio recording, notebook, and server.