Yamaha CRW2100SZ 16x10x40 Internal SCSI CDRW Kit Internal SCSI drive to store data, photos, or music on CD Delivers 40x read speed, 16x write speed, and 10x rewrite speed Records a 74-minute CD in just under 5 minutes Compile your favorite songs on your own audio CDs Optimum-write-speed control automatically selects the best recording speed