CD-Quick Cache is designed to improve the performance of any CD-ROM drive by storing frequently read data in fast RAM or on your hard drive. It uses advanced caching techniques for top performance and includes the utility Quickmon to show cache statistics in real time. Version 3.21 adds support for Windows 98 and the Universal Disk Format (UDF) used on CD-R, CD-RW, and DVD-ROM drives, in addition to many performance improvements.