Presently iam using three SanDisk pen drives one was 8GB and other were 16GB eachthey were working really good 16gb pen drive have a storage capacity of 14.5 GB and 8gb pen drive has 7 GB capacitythese pen drives were functioning well and transfer speed also impressiveI want to quote one incident a few days back my pen drive was fallen in a bucket of water from my shirt pocket when I bent but to surprise it was still working and data was also not lostit was easy to use and has an inbuilt software to lock our Pendrive which was a good one .and it is the most common device which will support all most all types of operating systemeven its installation doesn’t take much time it is easy to install can be plugged to vga tv that supports usb in the system it automatically installsit purely functions as storage devicesit has service centres almost all major cities and townshoping this review is helpful to you