TRANSCEND SSD ESD270C EXTERNAL PORTABLE 500GB,2.5”,USB 3.1,COMPACT AND LIGHT AS A FEATHER,ONE TOUCH BACKUP BUTTON,SUPPORT WINDOWS,MAC,LINUX,3YW,BLACKESD270C Portable SSDIn 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.AppearanceDimensions  77 mm x 55.7 mm x 9.6 mm (3.03″ x 2.19″ x 0.38″)Weight  35 g (1.23 oz)ColorBlackInterfaceUSB TypeUSB Type C to USB Type A/USB Type C to USB Type CConnection InterfaceUSB 3.1 Gen 2StorageFlash Type3D NAND flashCapacity 500GBperating EnvironmentOperating Temperature  0°C (32°F) ~ 70°C (158°F)Operating Voltage5VNoteTranscend Elite software is required for One Touch Auto-backup function.PerformanceRead Speed (Max.)  up to 520 MB/sWrite Speed (Max.)  up to 460 MB/sNoteSpeed may vary due to host hardware, software, usage, and storage capacity.WarrantyCertificateCE/FCC/BSMI/NCC/RCM/EACWarrantyThree-year Limited WarrantyWarranty PolicyPlease click here for more information about the Transcend Warranty Policy.System RequirementOperating SystemMicrosoft Windows 7Microsoft Windows 8Microsoft Windows 10Mac OS X 10.5 or later