Delkin USB (Universal Serial Bus) 3.0 Dual Slot SD UHS-II & CF Memory Card Reader *CARD NOT INCLUDED* High-Speed Transfer of Images & Video Files With Delkin’s USB (Universal Serial Bus) 3.0 Dual Slot SD UHS-II & CF Memory Card Reader, you can transfer 4K, 2K & 3D videos, as well as high-res RAW images, quickly & efficiently at super high-speeds. Based on a USB (Universal Serial Bus) 3.0 interface, the reader is able to transfer data at speeds up to 500MB/s (10x faster than USB (Universal Serial Bus) 2.0) & is designed to fully utilize the high-speed transfer capabilities of SD UHS-II & CF UDMA 7 memory cards, so that you can start working on your files sooner. The SD slot is designed with a second row of connectors that dramatically improves speed & performance, while also allowing for backwards compatibility with non-UHS-II cards. The CF slot incorporates UDMA 7 & VPG (video performance guarantee) support to guarantee the fastest transfers to & from your CF card. The reader’s dual slots also allow for simultaneous data transfers, while providing storage for up to (1) SD card & (1) CF card safely within the reader; each card nests inside where it stays protected from bumps, impact & dust. No drivers are required, as the reader offers convenient plug & play installation. Simply plug the reader into a USB (Universal Serial Bus) port on your computer & gain instant access to your files. The reader is also backwards compatible with USB (Universal Serial Bus) 2.0 & 1.1 ports, but will transfer data at slower rates.