Corsair's new Secure Digital cards are extremely small yet remarkably fast and reliable. Rated at 40X speed, these cards support impressive 5MB per second sustained write speeds. The latest power saving technology was incorporated to maximize battery life. Whether you need more storage for digital pictures, MP3s, your cellular phone or PDA, Corsair's Secure Digital cards will deliver a lifetime of satisfaction. Corsair Secure Digital cards are available in a variety of capacities up to 1GB.