Best Buy offers the PNY 16GB microSDHC Class 10 Secure Digital High-Capacity Flash Memory Card, model no. P-SDU16G10-EFS2, for $12.99. Opt for free in-store pickup to avoid the $3.99 shipping charge. With pickup, that's $0.81/GB and the lowest total price we could find by $4. Sales tax is added where applicable.