Amazon lists them as USB 3.0 but images show 3.1(?)
This 64GB model seems to be a decent price, the 256GB is also reduced but not as great a deal at $64.98.
128GB model is full price at $55.30.
Camelcamelcamel seems to think it's a good deal: https://au.camelcamelcamel.com/product/B07HPS8GQM
Not sure how these are with heat disipation.
Picture shows 256gb?