Product Description Plasmon G-Series 5.25 inch optical libraries are the market-leading solution for professional archival storage. They feature the industry's most reliable architecture and highest data availability, and support multiple optical media to minimize the cost and frequency of media migration. Support for both 30 GB UDO (Ultra Density Optical) and 9.1 GB MO (Magneto Optical) storage technologies provides a backward-compatible archive platform built for the future.The newest additions to the G-Series library family, the Entry Level G-Series libraries are available with one or two drives (UDO, MO or mixed), and either 32 or 24 slots. Fully populated UDO capacities range from 720 GB to just under 1 TB. Features include a high performance dual picker, bar code scanner and floor standing or rack mounting capability.