Staples offers the SanDisk 16GB UHS-I Class 10 SDHC Card, model no. SDSDU-016G-A46, for $9.99. Plus, Staples Rewards members qualify for free shipping. (Not a member? Click here to sign up for free; otherwise, shipping adds $9.95. In-store pickup is also available.) That's the lowest total price we could find by $2. It features up to 30MB/s read speed.