It is not yet clear whether the matter is in volume or in the relatively new USB 3.1. I decided not to take 64 GB flash drives for now, because two USB 2.0 32 GB flash drives from this manufacturer still work fine.
32GB SanDisk USB Flash Drive (SDCZ430-032G-A46)
78 Review
Kingston DataTraveler flash drive 100 G3 256 GB, 1 pc. black
74 Review
Sandisk Ultra Flair 128 GB Silver USB Flash Drive: Reliable and High-Speed Storage
65 Review
Samsung BAR Plus 128GB - High-Speed USB 3.1 Flash Drive Titan Gray (MUF-128BE4/AM)
67 Review
2 TB External HDD ADATA DashDrive Durable HD650, USB 3.2 Gen 1, Blue
55 Review
2 TB External HDD Western Digital WD Elements Portable (WDBU), USB 3.0, black
84 Review
🔌 Seagate Expansion 3TB Portable USB 3.0 External Hard Drive (STEA3000400) in Black
60 Review
Game console Microsoft Xbox One X 1000 GB HDD, black
53 Review