H2testw

Old but reliable. Fills in the disk with data and the verifies it.

https://www.heise.de/download/product/h2testw-50539

Fake Flash Test

Apart from full scan, has an option for a quick test, which chooses random sectors to write to and verify.

https://www.majorgeeks.com/files/details/fakeflashtest.html

ChipGenius

Able to extract information from USB devices. It can cross reference chipset information with its database and verify if it’s consistent.

https://www.softpedia.com/get/System/System-Info/ChipGenius.shtml