U.S. MODULAR US Modular Hot drive storage enclosure - IDE/ATA - FireWire/Hi-Speed USB (USHDEC-2.5) Compatible with 1394-1995 and 1394A Phys SBP-2 Target Revision 4 Compliant Interface Fully ATA-5 Compliant Support ATA PIO Modes 0-4, DMA Modes 0-2 and Ultra DMD Modes 0-5 ORB Co-processor to Accelerate Translation of ORBs to ATAPI Commands