The Silicon Power Secure Digital 45X Memory Card - 2GB is a high performance 45X speed SD card ideal for pure, uninterrupted performance. These Secure Digital Memory Cards by Silicon Power meet the single burst and sequential shooting needs of Intermediate/Professional photographers. The Silicon Power Secure Digital SD 45X Memory Card can be used in a variety of digital products: digital music players, cellular phones, handheld PCs (HPCs), digital cameras, digital video camcorders, smart phones, car navigation systems and trail cameras.