About this itemCopy data or music quickly with this SanDisk SDCZ48-512G-A46 USB 3.0 flash drive. The 512GB capacity lets you move and store large files, while read speeds of up to 130MB/sec. allow ultra-fast transfers. This SanDisk USB 3.0 flash drive is USB 2.0 and USB 3.0 compatible for flexibility and can be used with most PCs or Mac computers. Features