adata microsdxc card with adapter 64gb

With the more frequent use of smartphones and tablet PCs for multimedia recording and playback, there are increasing demands on the read and write speeds of dedicated memory cards. This Premier series memory card implements the latest SDA 3.0 specification UHS-I (Ultra High Speed 1, in compliance with SD 2.0 Class 10 speed), and comes with an entry-level price for consumers who want a dedicated card for their smartphone or tablet PC. Increased speed, no increase in cost: Enjoy the sequential read performance up to 50MB/s, and random read speed up to 1400 IOPS. Excellent Durability: These memory cards employ Error-Code Correction (ECC), and are extremely cold-resistant, heat-resistant and impervious to x-rays, making them one of the world's most rugged memory cards. Features: Supports the latest SDA 3.0 and and UHS50 standard. Random R/W speed up to 1400/100 IOPS. Sequential R/W speed up to 50/10MB/s. Specifications: Capacity: 64GB. Dimensions (L x W x H): 11 x 15 x 1mm / 0.4 x 0.6 x 0.04”. Weight: 0.25g.