Staples offers the SanDisk 16GB Class 4 SDHC Card, model no. SDSDB-016G-A46, for $5.99. Plus, Staples Rewards members receive free shipping. (Not a member? It's free to sign up.) That's $2 under our mention from last Black Friday and the lowest total price we could find today by $3. It features a read speed of up to 10MB/s. Deal ends November 29.