Western Digital has announced its new WD Passport portable USB hard drives. The two drives require no separate power supply and are available in capacities of 40GB and 80GB. They are outfitted with “high-performance, low-power consuming, cool and quiet-running” WD Scorpio 2.5-inch 5400 RPM EIDE hard drives, and feature a rugged, protective case and Data Lifeguard protection. Suggested retail pricing is US$199 for the 40GB drive and $249 for the 80GB model. The WD Passport drives will be available at retail stores next month.