Super★Talent is a brand name sales USB mass storages and memory products in USA. NST1 128GB is one of their USB drive in middle price.
NST1 used Single channel TLC NAND flash with SMI controller, writes up to 90MB/sec, reading up to 120MB/sec in sequence.
Accessing random placed data – related in 4K – speed is better than MLC series of NST1 64GB. Light weight and easy to use, little tightly pull up and down case is may better than loose and easily lost case or cover.