Flash drive CZ74 USB 32 Flash Drive 128GB 64GB 32GB 256GB 512gb Pen Drive Tiny Pen drive U disk Memory Stick Storage Device Tips: If the speed detection of U DISK drops, it is related to the performance of the computer configuration! Please switch to a higher-end computer test! Thank you About capacity: 8GB=approximately 7GB-7.5GB 16GB=approximately 14GB-15GB 32GB=approximately 28GB-30GB 64GB=approximately 58GB-60GB 128GB=approximately 115GB-119GB 256GB=approximately 230GB-238GB 512GB=approximately 450GB-500GB 1TB=approximately 880GB-980GB This is calculation difference between manufacturer(1GB=1000MB) and our PC(1GB=1024MB),please Google U disk capacity to get more information. Tips: If the speed detection of the U disk decreases, it is related to the performance of the computer configuration! Please switch to a higher-end computer test! Thank you SellinEXPANSIVE FILE STORAGE IN A DURABLE METAL CASINGg Point you'll get large storage capacities within a distinctive, stylish design. This USB flash drive features a durable metal casing that provides a dash of style. Tips: When customizing the logo, you need to unpack it. So when it is shipped, it is bare metal. But you can rest assured, 100% original! Speed problem: If the speed test result is not satisfied, please use a higher-end computer to test! Because the detection effect of the USB flash drive is determined according to the configuration of the computer! So please remember to use a high-end computer! 2.HIGH-SPEED USB 3.1 PERFORMANCE Transfer files quickly with 150MB/s read speed. With write speeds up to 15X faster than standard USB 2.0 drives, you can move a full-length movie to the drive in less than 30 seconds. Sell3.Large storage space,With capacities up to 256GBing Point Selling 4.SANDISK SECUREACCESS? SOFTWARE HELPS PROTECT YOUR PRIVACYPoint Create a private folder on your drive with SanDisk SecureAccess software. 5.EASY FILE RECOVERY WITH RESCUEPRO? DELUXE SOFTWARE The drive comes with a RescuePRO Deluxe data recovery software download offer.4 This software makes it easy to recover files that have been accidentally deleted (download required).