Capacity Reminder: Display capacity of 128GB SSD often appears as around 116GB on Windows. MacOS typically shows full 128GB. This display capacity reduction of 7% to 10% from SSD actual capacity is from algorithms differences in which 1GB is interpreted as 1024MB on Windows and 1000MB on SSDs | 550MB/s: Instantly access to your files with blazing 6Gbps external ssd speed up to 550MB/s. LED Light indicates portable ssd instant activity (Actual speed depends on drive capacity, host device, OS and application) | Data Security: Master external solid state drives health with S.M.A.R.T. monitoring. TRIM technology ensures consistent write speeds and extends the longevity of the portable SSD | USB C+A : Both USB-C cable and USB-A adapter featuring rapid USB 3.2 Gen2, this USB SSD effortlessly bridges devices, enabling seamless cross-platform file transfers between computers, smartphones, tablets and Phones | Always Fast: No slowdowns during large file transfers. This external ssd remains steady 6Gbps by using high speed SLC caching (25%of the current available capacity is allocated for high speed cache) | OTG Supported: Portable SSD supports OTG function. Power consumption less than 5 Watts, this external SSD effortlessly operates on various mobile devices, ensuring seamless usability on the go | Less Heat: Thick aluminum alloy case of this portable SSD brings superior heat dissipation and premium touch, ensuring reliable performance without worries of overheating inside the portable external Solid State Drives | Powerful Portability: Impressive external solid state drives weighs just 43g with a dimension of 2.5*1.3*0.4 inch, Experience unparalleled convenience with this remarkably lightweight portable SSD