
The first time I came across a flash drive that needed to be formatted first, it was the manufacturer's recommendation after the first drive I tried to use failed. And if you then format it, there's a 50/50 chance it won't work afterwards. Even if it's cheap, don't waste your money.

32GB SanDisk USB Flash Drive (SDCZ430-032G-A46)
78 Review

Samsung BAR Plus 128GB USB 3.1 Flash Drive - 400MB/s - Champagne Silver (MUF-128BE3/AM)
65 Review

Kingston DataTraveler SE9 32GB USB 2.0 Flash Drive for Reliable Data Storage (DTSE9H/32GBZ)
69 Review

Samsung BAR Plus 128GB - High-Speed USB 3.1 Flash Drive Titan Gray (MUF-128BE4/AM)
67 Review

18 TB External HDD Western Digital WD Elements Desktop, USB 3.0, black
95 Review

2 TB External HDD ADATA DashDrive Durable HD650, USB 3.2 Gen 1, Blue
55 Review

π Seagate Backup Plus Slim STHN2000400 2TB Portable Hard Drive - Black: Your Reliable External Storage Solution
93 Review

2 TB External HDD Western Digital WD Elements Portable (WDBU), USB 3.0, black
84 Review