The ProMaster All-In-One Card Reader - USB 2.0 (N) makes it easy to read and write files. Insert a memory card into the reader and it appears as a drive on your computer. Use up to four dierent types of cards at once and you can copy files between cards and your computer! The three USB ports work as a hub to connect a variety of devices.

Universal: Reads most types of memory cards
Fast file transfers: Uses USB 2.0 for fast downloads at up to 480Mbps
Increases usable USB ports: Works as a USB hub to connect up to 3 other USB devices to you computer. 

Purchase the optional AC adapter and it upgrades to a powered USB hub for best performance with your high power draining peripherals.

Supported Media: Compact Flash type I, Secure Digital (SD, SDHC, SDXC), Mini SD, Micro SD, MMC, Memory Stick, Memory Stick Pro, Memory Stick Duo, USB A Flash Drives. *Some cards may require an adapter