1inch External Photo Drive - 4GB - 2MB cache - USB 2.0 $71.95

This high-capacity, 1-inch photo hard drive is the perfect storage solution for professional and enthusiast photographers. Available in 4GB capacity, you can quickly store thousands of high-resolution photos without changing the card. And with its rugged design and world-renowned Seagate quality, you can count on data integrity and protection from drops and falls.

Buy.com is carrying this 4GB Compact Flash Memory Card for $71.95