500 GB Black, Blue Read speed: 1050 MB/s Write speed: 950 MB/s USB Type-C Housing material: Aluminium, Rubber Hardware encryption ESD370C Portable SSDSo fast it's astounding! Transcend's ESD370C portable solid state drive features palm-sized portability, an aluminum alloy, an elegant, navy blue silicone rubber case that's durable, ruggedized and shock-resistant, a USB 3.1 Gen 2 interface for next-level transfer rates, and a USB Type-C port, bringing you never-before-seen speeds of up to 1,050MB/s.Surprising transfer speedsThe ESD370C is equipped with the USB 3.1 Gen 2 interface and supports UASP (USB Attached SCSI Protocol), offering dazzlingly fast transfer speeds of up to 1,050MB/s and outshining its peers with its unrivaled performance. The implication? Even files as large as 20GB will transfer in a mere 30 seconds!Cool to the touch, cool all aroundHoused in an aluminum alloy for greater heat dissipation and protection, Transcend's ESD370C runs fast, but stays cool. Built-in dynamic