As the demand for digital storage devices continuously grows, ADATA is at the forefront with improved, top-notch memory solutions. Taking the microSD to the next level, ADATA is pleased to introduce the microSDHC ( Secure Digital High Capacity ), whose new interface enables faster transfer rates and expands upon the previous maximum capacity of 2GB. The ADATA microSDHC Class 4 provides cellular phones even more memory storage for multimedia, business and personal data. The microSDHC's 4 MB/s transfer rate places it as the top choice for micro storage devices and a must-have for your mobile life. <br /> <hr /> <b>General Information</b> <br />Manufacturer: A-DATA Technology Co., Ltd <br />Manufacturer Part Number: AUSDH4GCL4-RA1 <br />Brand Name: Adata <br />Product Series: Speedy <br />Product Name: Speedy 4GB microSD High Capacity (microSDHC) Card - Class 4 <br />Package Type: Retail <br />Product Type: microSDHC <br /> <br /> <b>Technical Information</b> <br />Number of Memory Cards: 1 <br />Storage Capacity: 4 GB <br />Maximum Read Speed: 14 MB/s <br />Maximum Write Speed: 5 MB/s <br />Features: ECC Support <br /> <br /> <b>Physical Characteristics</b> <br />Form Factor: microSDHC <br />Width: 0.6&quot; <br />Weight (Approximate): 0.01 oz <br /> <br /> <b>Miscellaneous</b> <br />Package Contents: Speedy 4GB microSD High Capacity (microSDHC) Card - Class 4Adapter <br /> <br /> <b>Warranty</b> <br />Limited Warranty: Lifetime <br />