OCZ SD High Capacity (SDHC) card comply with the new SDA 2.00 specification to support capacities over 2GB. Available in 4GB & 8GB configurations, OCZ SDHC card is ideal for the latest digital cameras and electronics. Compliant with specifications determined by the SD Association, OCZ SDHC card is rated Speed Class 6. SDHC Class 6 cards are rated for at least 6MB/s. This high capacity card is only compatible with SDHC compliant products and are not backwards compatible with traditional SD format devices.