Most USB flash drives go up to 256GB and a few now have 1TB versions. However, if you’re more concerned about getting a cheap memory stick for carrying a few files, you can probably get by with ...
To prove my point, take a look below - Kingston's DataTraveler 70 USB flash drive is available in 128GB ... and it works out to a cost of 4.15p per GB, which is ridiculous value for money.