ESD270C Portable SSD In the perfect combination of portability and reliability, Transcend's ESD270C is a portable SSD that features fast data transfer rates and solid data integrity. The credit-card size ESD270C fits in your wallet, making it the perfect choice for businesspeople needing to take important files on their many travels. The ESD270C is equipped with the USB 3.1 Gen 2 interface with the support of UASP (USB Attached SCSI Protocol), providing transfer speeds of up to 520MB/s. Pack light! The credit-card size ESD270C, with mere 9.6mm in height, fits perfectly in your wallet or purse, and takes up little space in your briefcase. The anti-scratch coating means the external SSD will look sharp even after all the miles. With a reflective black case, you'll be both savvy and stylish. The ESD270C can be used with multiple devices and operating systems, including Windows, macOS, and Android. It provides ultra-fast transfer speeds and extra-large capacity expansion for PCs, laptops, tablets, smartphones, and even gaming consoles. The great compatibility makes it a convenient and efficient option for those looking to expand their storage space.