Lexar Multi-Card 25-In-1 USB 3.0 Reader - LRW025URBNA Extremely versatile - reads 25 popular memory card formats Leverages SuperSpeed USB 3.0 technology for high-speed file transfers, with a USB interface speed up to 500MB/s Enables concurrent downloads and card to card file transfer Pop-up design protects card slots Quickly and easily transfer photos, videos, music, and files PC and Mac compatible Includes USB 3.0 cable - no external power supply needed