Pyro Notebook Hd Kit Provides (2) 400 MB/sec FireWire ports; one connects to host computer, and the other can be used for daisy chaining devices such as a second drive, digital camcorder or scanner Small, lighweight design makes it easy to move your drive between multiple computers, or transport with your notebook Supports - ATA-IDE, Ultra DMA/33, 66, or 100 2.5 Hard Disk Drives Requirements - Windows 98SE/2000/ME/XP or OS 9.0, available 1394/FireWire port + USB port for notebooks with 4-pin FireWire Includes screw kit for installing hard drive & drivers for Windows & Mac on CD-ROM