Check the listing for details. Transcend 32GB Class 10 MicroSDHC 90 MB/s Memory Card (TS32GUSDU1). Condition: New. Listed at 9.95 USD. The 32GB microSDHC Memory Card Premium 600x Class 10 UHS-I with microSD Adapter from Transcend features maximum read and write speeds of 90 MB/s and 25 MB/s, respectively. Its Ultra High Speed Class 1 (UHS-I) bus interface enables it to achieve these speeds, which are far greater than the 10MB/s minimum speeds guaranteed by the Class 10 rating. A microSD adapter is supplied, allowing you to use the card in a full-size SDHC/SDXC slot. The card features built-in Error Correction Code (ECC) to automatically detect and fix transfer errors. It is backed by a limited lifetime warranty. Card Type microSDHC Storage Capacity 32 GB Speed Class 10 UHS Speed Class U1 Speed (X-rating)90 MB/s Bus Interface Speed UHS Class I Data Transfer Read Speed 45 MB/s Maximum Write Speed 25 MB/s Maximum Durability Not Specified By Manufacturer Insertion/Removal Cycles 10,000 Operating Temperature -13 to 185°F/ -25 to 85°C Storage Temperature Not Specified By Manufacturer Error Correction Yes Built-in Write-Protect Switch No File System FAT32