There are a handful of Kingston USB drives on sale at Microsoft. Their speeds are modest, but the prices are decent. Combine with Reward points if you can for a better deal. Free shipping.
Kingston DataTraveler SE9 G2 USB 3.0 (128GB) – $9.99
https://www.microsoft.c
Kingston DataTraveler microDuo 3C Flash Drive
32GB – $4.99
64GB – $9.99
128GB – $14.99
https://www.microsoft.c