Coolgear USB to SATA or IDE 1.8, 2.5, 3.5, and 5.25in HDD and Optical Drive Adapter USB to SATA or IDE 1.8/2.5/3.5/5.25 HDD and Optical Drive Adapter. NEW ULTRA FAST CHIP & Approved HIGH-Output Power Adapter Max tranfer speed 480Mb/s Incorporates JM20337 IDE and SATA to USB chip for DUAL Drive Usability Supports USB 2.0 interface