Cheapest that I've been able to find for a 128Gb USB 3 USB memory stick - and it has a steel body and keyring loop as a bonus. Probably not the fastest in the world, but if you need a lot of capacity and don't need speed (e.g. for overnight backups), then it seems OK...
- Small & stylish USB flash drive with metal casing. Ideal for ultrabooks, tablets with USB ports, etc
- Securely carry your data everywhere you go with your devices - features large ring to attach easily
- 128GB capacity: store photos, music, video, files. USB 3.0 - backward compatible with USB 2.0
- Compatible with Windows 10, 8.1, 8, 7, Windows Vista, Mac OS X v.10.6.x+, Linux v.2.6.x+
- Kingston 5-year warranty, free technical support and legendary reliability