DESC: The UltraPleX Wide, Plextor's Wide Ultra SCSI CAV CD-ROM drive, sets the standard for professional quality CAV (Constant Angular Velocity) drives.??The UltraPleX Wide's burst transfer rate of 40Mb/sec supports Wide Ultra SCSI data transfer. That's the maximum for any CD-ROM - in fact there is no other Wide Ultra CD-ROM. High-speed devices such as hard drives, will not be bogged down waiting for the CD-ROM. In addition, the UltraPleX Wide boasts a blazing average random access time and supports high-speed, accurate digital audio extraction.