Atech Flash iDuo Reader 3.0 SuperSpeed True USB 3.0 External Flash Memory Card Reader for microSDHC, SDHC, SDXC, UHS -1, CF Compact Flash, UDMA 7. Dimensions (W x H x D): 98mm x 19mm x 69mm. Power Requirements: 5V DC +/ - 5% (USB powered). Transfer rate: Up to 5 Gb/sec via USB 3.0. System Requirement: USB 3.0 or USB 2.0 Port on Computer/Laptop. OS System Requirements: Mac OS 10.4.10+ Windows XP Windows Vista Windows 7. Manufacturing Information:. Made in Taiwan. TAA Compliant Features:. SuperSpeed USB 3.0 data transferring between media cards and your PC, Digital Cameras, Smart Phones. Modern Styling to match today's stylish new desktop and laptop computers. Compatible with the latest UDMA, SDHC, Secure Digital eXtreme Capacity (SDXC) memory cards. Supports SDHC/XC UHS -1 and CF UDMA -7 Read/Write speeds. Firmware upgradeable to ensure compability with upcoming media cards. Backwards compatible with USB 2.0. Custom Icons for each media slot. (Windows 7, Vista , XP). AFT Turbo Driver to boost Read/Write speeds up to 20% faster for UDMA & SDXC media cards. Speed performance varies depending on manufacturer and make of media cards - Most orders ship in 3 to 4 business days.