Key Features SSD performance Small compact design weighing only 16grams (approx.) Fast data transfer rates of up to 400MB/sec Sleek metal housing with retractable USB (Universal Serial Bus) connector Nero backup software The Verbatim Vx 400 Drive combines the extreme speed performance of an SSD with the easy to handle form factor of a slim line USB (Universal Serial Bus) drive. When used with a USB (Universal Serial Bus) 3.0 port, the Vx 400 boasts super fast transfer speeds (read up to 400MB/sec, write up to 300MB/sec) that allow you to quickly access, edit & share large files, including 4K video files with no performance lag or delay. Available in 128GB & 256GB capacities & designed with a retractable USB (Universal Serial Bus) connector, it enables you mobilise your entire media library, having easy access to all of your photos, MP3 files & even 4K high definition movies without the worry of carrying the correct connection cable. Specifications Weight: 16 grams approx Dimensions: 56 x 18.7 x 9.7mm (Lx Wx H) Read Speed: up to 400MB/ Sec Write Speed: up to 300MB/ Sec Interface: USB (Universal Serial Bus) 3.0 Power Source: USB (Universal Serial Bus) Bus Pack Contents: Vx 400 USB (Universal Serial Bus) 3.0 Drive.