Connect your IR-500 or IR-300 digital camera and store, backup or organize an astonishing 40,000 images on the S-HD-100's 40GB hard drive storage system. Less than one pound, the S-HD-100 enables for advanced image management functions via its built-in CPU, making it possible to transfer only the newest images that have been captured. You can even use it as an external hard drive for your PC to transfer, edit or back-up your photos.