The function of Intelligent Disk Cache is once an important reason why people choose BitComet. It is designed for fast downloaders. When uploads or download rate exceeds 500kB/s or even more than 1MB/s, a carefully designed disk cache mechanism in BitComet will greatly improved the hard-disk performance by decrease the read and write frequency of your hard disk. So that the life time of hard disk can be longer. Some statistics of the operation of the cache is avaliable in the Log View, e.g. HitRatio, Read/Write Requrest Frequence, Actual Disk Read/Write Frequence, where one can easiliy find out the improvement.