Get from Amazon.com : http://www.amazon.com/gp/product/B006B9B2PQ?tag=hawaiianlegac-20

Bipra 120GB 120 GB External Portable Pocket Size Hard Drive Includes One Touch Back Up Software

Portable External Hard Drive Powered By USB 20 No external Power Required
Driver-free Plug and Play operation
Come with One Touch Backup Software for windows only
Formatted in FAT32 for use on Windows Mac and PS3
1 Year Warranty With Bipra