The NL-CR03BK35 is a 52 in 1 internal multi-card reader which can be installed into a 3.5” so it can slot in the front of your desktop. The NL-CR03BK35 is internally powered by the motherboard which provides power and data transfer for the device. Specification: Compliant with USB specification Revision 2.0 and 1.1. Supports High-Speed (480 Mbps) Full-Speed (12 Mbps) and Low-Speed (1.5 Mbps) Supports 12 types of Flash Card:Compact Flash I/II / Microdrive / Smart Media Card / Memory Stick Memory Stick Pro Memory Stick Duo and Memory Stick Pro Duo / Secure Digital RS-Secure Digital / Multimedia Card and RS-Multimedia Card. View copy and edit the image/photos/data/music directly from the reader. Powered by internal Motherboard connection. Shown as 4 Individual Removable Drives (i.e E: F: G: and H:) Provides 1x USB 2.0 Port. Package Contents Multi-format Card Reader / Writer Screws Connection Cable System Requirements Computer with available USB 2.0 motherboard connection Supports Windows 98se / ME / 2000 / XP/ Vista/ Win 7 MAC OS 10.x(no driver support)