Features: 1) OEM retail box 2) 64M, 128M, 256M, 512M, 1G 3) USB 1.1 and USB2.0(optional) 4) Warranty = 1 Year, replacement 1 to 1 5) for free if damage made not by human or improper using 5) Quality Test done by QC Team before shipment Remarks: 1) Quality Test done by QC Team before shipment 2) Smart Dual Bootable at USB-HDD or USB-ZIP 3) IBM compatible PC, Notebook, Mac 4) No driver installation required for OS Windows 98 higher 5) Hot plug and play 6) No external power supply required 7) U