CPA 6.6ft Power Adapter for Western Digital Wd My Book External Hard Drive 500gb 640gb Home Edition Da-36g12 36j12 42j12 48m12 S040em1200300 Wdps038rnn Wdps042rnn Brand New Replacement Product works as genuine parts, 100% OEM Compatible! Fixed US Plug. Type: Regulated switching power supply with extra long 6.6 foot cord. Internal over-tempurature shutdown. Rugged case with moisture-seal protection High quality commercial grade AC to DC power adapter for manufacturer of all type All Products are CE and RoHS certified, regulated, and tested by manufacturer to match and/or exceed specifications of OEM products. Adapter/Power Supply Comes with 1 Year Warranty