SanDisk Extreme® Cruzer® ContourT Ultra® Cruzer® Titanium Cruzer® Micro
General Capacity 4GB, 8GB, 16GB 4GB, 8GB 2GB, 4GB, 8GB, 16GB
  Retractable USB Yes Yes Yes
U3 smartT Enabled   Yes Yes Yes
Included U3 Software   SKYPE "Make video calls from PC to PC"
CruzerSync synchronization tool
SignupShield password manager
McAfee antivirus software (trial version)
SKYPE "Make video calls from PC to PC"
CruzerSync synchronization tool
SignupShield password manager
McAfee antivirus software (trial version)
SKYPE "Make video calls from PC to PC"
CruzerSync synchronization tool
SignupShield password manager
McAfee antivirus software (trial version)
Performance Read (Up to) 25MByte/s 15MByte/s  
  Write (Up to) 18MBytes/s 9Mbytes/s  
Security   AES hardware encryption Password Protection Password Protection
Physical Material Sleek., stylish black glossy with metal casing design Innovative crush-resistant metal casing Resilient PC-ABS
  Dimensions 10.2mm X 23.6mm X 73mm (D X W X L) 7.14mm x 19.05mm x 57.94mm (D x W x L) 7.94mm x 20.6mm x 57.15mm (D x W x L)
Compatibility   Hi-speed USB 2.0 certified (backwards compatible with all USB 1.1 ports) Hi-Speed USB 2.0 certified (backwards compatible with all USB 1.1 ports) Hi-Speed USB 2.0 certified (backwards compatible with all USB 1.1 ports)
    USB Mass Storage Class Device USB Mass Storage Class Device USB Mass Storage Class Device
Minimum System Requirements   Compatible with Windows® XP, Vista and Mac OS X v10.1.2 Compatible with Windows® XP, Vista and Mac OS X v10.1.2 Compatible with Windows® XP, Vista and Mac OS X v10.1.2
    Certified Windows XP* and Vista Certified Windows XP* and Vista Certified Windows XP* and Vista
* U3 functionality only supported on Windows XP OS & Vista