IOGEAR's latest multi-card reader/writer is equipped with SuperSpeed USB 3.0 and can read up to 59 different memory card formats. This is the perfect solution for people who transfer HD content from and to various digital cameras, mobile phones, or laptop computers. The SuperSpeed USB 3.0 Multi-Card Reader/Writer is the perfect solution for super-speed* data and file transferring. Up to 10x faster than USB 2.0 card readers, this new device will transfer data up to 5Gbps. That's fast. Quickly download HD videos, HD photos, and documents to your computer. This card reader can also read multiple cards at the same time. The GFR381 works with all major memory card formats and supports high capacity. The compact design will allow you to take it anywhere, giving you the freedom to share content from you smartphone, or tablet anytime. The GFR381 from IOGEAR is also backwards compatible with devices that are under USB 2.0 and USB 1.1 specifications. Device must be plugged into a USB 3.0 port in order to achieve super-speed rates Features :; SuperSpeed USB 3.0 data transfer rate of up to5Gbps; Supports up to 59 different memory cards; Reads and writes multiple media cards at the same time; Works with all popular memory cards without additional adapters required; Specifically designed for reading/writing memory cards from smartphones, tablets, cameras, and other mobile devices; Hot swappable: replace memory cards without restarting the computer; Plug-n-Play - Requirements: PC- Windows XP, Windows Vista, and Windows 7 - Available USB port (USB 3.0 port for SuperSpeed mode) - Mac; Compatible with USB 2.0 and 1.1