DESC: Plextor, one of the leading companies for the development and production of CD-ROM drives, CD-Recorders and CD-ReWriters is expanding its range with its second Dual Format drive: PX-712SA, which writes DVD's at 12-speed, rewrites at 4-speed using the DVD plus format. With the DVD minus format, this drive writes at 8x and rewrites at 4x. The PX-712SA reads DVD-ROMs at 16x.