The MHV2100AH mobile hard disk drive offers 100GB capacity with 5400RPM functionality giving users more performance compared to 4200RPM hard disk drives, but with low power consumption increasing the time that users can spend away from an outlet. The Fujitsu MHV2100AH is also in the first Fujitsu hard disk drive range that is RoHS compliant/lead free. RoHS refers to the European Commission's RoHS directive for eliminating certain hazardous materials in the manufacturing of electronic equipment.