Zectron 32GB SD SDHC High Speed Zectron Digital Camera Memory Card for Canon PowerShot SD4500 IS / Digital IXUS 1000 HS 32GB Class 10 Ultra High Speed SDHC Memory Card Life time warranty Data is not lost when power is turned off Write Speed: 19MB/s. Read Speed: 20MB's All Cards shipped with FedEX Express Tracking Number for a trouble free serivice 2 working days to most parts of the USA