Genuine SanDisk Ultra 8GB (10 Pack) Class 10 SDHC Flash Memory Card Up To 40MB/s 10 Pack - Sandisk 8GB SD Ultra 40mb/s Card Retail Packaged Max. Read Speed: 40MB/s 266X Min. Write Speed: 10MB/s Class 10 / UHS-I Everything But Stromboli (tm) Microfiber Cloth