SterlingTek POWWER USB Compact flash card reader/writer for Canon EOS Digital Rebel XTi The Compact flash memory Card Reader/Writer will speed up your download time! Save your precious camera batteries!! Works with CF memory Cards. Download Up to 1.5MB/s (Macs), 12MB/s (PC's)! You can use the Compactflash Card Reader/Writer as a mini-disk-drive. Very light weight and portable. Plugs into your USB port.