This portable USB 3.0 card reader gives you fast read and write access to two SD memory cards simultaneously, including SD (Secure Digital), SDHC (Secure Digital High Capacity) and SDXC (Secure Digital Extended Capacity) flash memory cards. It's easy to connect to the USB-C port on your tablet, smartphone, laptop or desktop computer. Among its advanced features, this high-performance card reader supports SD 4.0 and UHS II. Ultra-fast performance for workflow efficiency The USB 3.0 SD card reader/writer offers fast read and write access to two SD cards simultaneously, with support for the speed of USB 3.0 (also known as USB 3.1 Gen 1), up to 5Gbps. It’s ideal for creative professionals, including photographers, videographers, and graphic designers, who need ultra-fast access to SD cards to offload raw images or edit video or photos, and quickly back up files. It saves time and increases productivity in your daily workload, letting your transfer files quickly when working with multiple SD cards, out in the field or in the studio. Compatible with SD 4.0, the dual card reader supports standard SD speeds as well as Ultra High Speed (UHS) which is available on some SDHC and SDXC cards. With SD 4.0 and UHS-II support, this product offers uncompromising read and write speeds, increasing the data transfer rate to 312MB/s for high-speed file transfers. By supporting the faster speeds of UHS-II, the card reader saves you valuable time when offloading videos and high volumes of photos to your computer, and increases efficiency during editing and post-production. Supports a wide range of SD cards With the dual card reader, you can transfer data to and from two different cards at the same time, saving you time in the studio or out in the field. The card reader supports all popular SD cards such as SDSC, SDHC and SDXC including UHS cards, and is backwards compatible with older SD card versions. By providing two separate slots and support for a wide range of SD cards, the dual card reader helps you overcome the challenges of working with multiple card readers to offload videos and photos. The card reader will also support microSD and miniSD (with adapter) and MMCmobile , RS-MMC and MMCplus (with adapter). Designed for portability With a small form-factor and integrated cable, the dual SD card reader is a highly portable solution for accessing your SD cards on a laptop or desktop computer. The wrap-around USB Type-C cable lets you quickly connect to a computer or pack it up quickly when you’re done using it, without carrying an additional cable with you. The external SD card reader is OS independent, with no driver or software installation required. The card reader/writer connects easily to the USB-C port on your laptop, tablet, smartphone or desktop computer and is USB powered, providing sufficient power for most applications. If you require additional power, you can simply connect the USB cable on your power source to the auxiliary Micro-B power port on the 2SD4FCRU3C. StarTech.com also offers this same card reader and writer with a USB Type-A connector ([%product id="2SD4FCRU3" text="2SD4FCRU3"%]) to provide wide compatibility, for those who do not have a USB-C enabled device. The 2SD4FCRU3C is backed by a StarTech.com 2-year warranty and free lifetime technical support.