Sandisk is most popular pendrive I have used many pendrives from various brand nd storages last month I purchased sandisk cruzer blade 32 GB usb flash drive the sandisk products give much longer warranty period of there products nearly 5 years to lifetime easily avialable pen drive in shops offline as well as online if damaged you have to travel to the service center to replace sandisk pen drives are to much popular in a markit like it has a great looks nd designing of a sandisk pendrives is very nice