 "4GB SDHC(CLASE 10)" 10) | Tradineur.com"
"Tipología: Secure Digital analogico; Capacidad: 4 GB; Velocidad de escritura max: 20 MB/s; Velocidad de lectura max: 16 MB/s; Clase: 10; Función protección datos: Sí" 
 "Transcend 4GB Class 10 SDHC Card (TS4GSDHC10)" "Camera & Photo Accessories - Page 451 | All Tech Toys"
"As high-tech gadgets become increasingly advanced with ever-improving video and audio quality, we find ourselves needing extra speed and memory capacity to store our high-resolution digital masterpieces." 