Internal IDE/PATA to FireWire Converter/Adapter with 911+ with HW RAID 0 + Power Cable Supports Dual Drive: Master/Slave mode; ATAPI or ATA-33 to 133 Supports Win98SE, ME, 2K, XP, Linux, FreeBDS, MAC OS 9.x or later Free CPU resource by reducing number of IRQ being sent to CPU Daisy chain able to 64 devices, no more 4 IDE per MotherBoard Hardware RAID 0 capable: double HDD speed