Amazon.com: 8GB SDHC High Speed Class 6 Memory Card for Panasonic Lumix DMC-GF1 Digital Camera - Secure Digital High Capacity 8 GB G GIG 8G 8GIG SD HC + Free Card Reader : Electronics
A Guide to Speed Classes for SD and microSD Cards - Kingston Technology
Amazon.com: SanDisk 32GB Micro SD Memory Card for Fire 7 8 Tablets, Samsung Galaxy Tab, Microsoft Surface, ASUS Memo Pad, Google Android Tablet, NuVision, Lenovo and All Similar Tablets. (32GB Micro SD) :