Visual inspection. Carefully examine the looks of the USB flash drive. Even if you can not compare to a genuine Sandisk USB flash drive you might be able to spot a fake. In general Sandisk's are nicely finished products, looks for signs of sloppiness.
Sandisk iXpand Flash Drive Flip : RM 102.00 : Shopee : Sandisk Ultra Flair USB 3.0 : RM 9.70 : Shopee : Sandisk Ultra Fit USB 3.0 : RM 10.30 : Shopee : Sandisk Extreme PRO MicroSD Card : RM 55.00 : Shopee : SanDisk iXpand Flash Drive Go : RM 105.80 : Shopee : SanDisk SSD Plus : RM 37.44 : Shopee The Lexar 128 GB JumpDrive Dual Drive D400 has both USB-A and USB-C, so it's simple to move fluidly between mobile devices and PC. My iPhone or iPad is full. The SanDisk iXpand Luxe has up to 256 GB of storage and both Lightning and USB-C connection. It's the perfect way to free up your phone. Show me the cheapest one.A tool SanDisk officially recommends, HP USB Formatting Tool ( took 6 hours ) Cmd.exe "Clean all" command. After performing these, the drive would be reasonably fast for the first bit after I write data to it. However, these results were inconsistent which led to the conclusion that nothing had really done anything.
Still, if you have a very specific legacy need for a USB 2.0 flash drive, or just don't care about speeds, then the SanDisk Cruzer USB 2.0 version should hold up for the long haul. SanDisk Cruzer About 5136 BUY • $33 Release date ≈ Q1 2017. 128GB 256GB USERS vs BRANDS Effective Speed +152% Real World Speed Performance profile from 20,787 user samples Benchmark your USB here 19,339 User Benchmarks Best Bench: 35% 14GB free, PID 5581 @USB 3.0 Worst Bench: 10% 10GB free, PID 5581 @USB 2.1 SPEED RANK: 186 th / 639 1,448 User BenchmarksThis item SanDisk 128GB Extreme PRO USB 3.2 Solid State Flash Drive - SDCZ880-128G-GAM46 & 32GB 3-Pack Ultra USB 3.0 Flash Drive 32GB (Pack of 3) - SDCZ48-032G-GAM46T SanDisk 256GB Extreme PRO USB 3.2 Solid State Flash Drive - Up to 420MB/s, Durable Aluminum Metal Casting - SDCZ880-256G-GAM46,Black