Amazon.com: Genuine New Internal Double Layer 16X DVD+-R DVD+-RW DVD-RAM Burner, for Panasonic SW-9585-C, Super Multi 40X CD-R 24X CD-RW Writer, Tower Desktop Computer PC IDE Optical Drive : Electronics
Introduction to Panasonic DVD-RAM, PD, Phasewriter Dual, the forerunner of today's DVD-RAM technology.