GpBench/CD - Version 2.0 GpBench/CD is CD-ROM benchmarking program, designed for use in 32- bit Windows (e.g. 95, 98, NT 4, 2000). It will test your CD drive and show you exact performance graphs. You can use it to test CD-ROM, CD-R, CD-RW, and DVD drives. It will even create a pecial test file, which will allow very exact measurements. Beside performance measurement, CD benchmarking is a useful tool if you suspect hardware malfunction or software incompatibility. GpBench/CD is distributed as a single compressed executable and requires no installation.