FastMac today announced a 4x Dual Layer Blu-Ray optical drive upgrade for Mac Pro and PowerMac G5 systems. The new 5.25-inch, tray loading drive uses one of the fastest Mac-compatible Blu-ray mechanisms to provide up to 50GB of storage on one dual or double layer disc, without sacrificing compatibility with standard DVD and CD recordable media. Fastmac’s 4x Blu-Ray optical drive upgrade is available now for a special introductory price of US$579.95. Each drive carries a 1-year warranty and a 30-day money back guarantee.