FastMac today announced the availability of an enhanced internal 16x Dual Layer SuperDrive upgrade for Mac Pro, PowerMac G3, G4, G5, eMac and iMac G4 systems. The drive provides read and write support for DVD-RAM and 48x CD-R burning, two times faster than Apple’s top-of-the-line Mac Pro, notes the releases. The upgrade is available now for an introductory price of US$79.95. It comes with a 1-year warranty and 30-day money back guaranty.