Micro Center's flash drives might not be the most sexy performing drives ever to grace USB, and personally, I think their memory cards are better. But in terms of the cheapest there is, I've owned worse.

Plus when there's a coupon for a free one, you've got my attention, lol.

-----------------------------------------------------------------------
CrystalDiskMark 6.0.2 x64 (UWP) (C) 2007-2018 hiyohiyo
                          Crystal Dew World : https://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes

   Sequential Read (Q= 32,T= 1) :    32.740 MB/s
  Sequential Write (Q= 32,T= 1) :     9.412 MB/s
  Random Read 4KiB (Q=  8,T= 8) :     4.671 MB/s [   1140.4 IOPS]
 Random Write 4KiB (Q=  8,T= 8) :     0.003 MB/s [      0.7 IOPS]
  Random Read 4KiB (Q= 32,T= 1) :     4.665 MB/s [   1138.9 IOPS]
 Random Write 4KiB (Q= 32,T= 1) :     0.001 MB/s [      0.2 IOPS]
  Random Read 4KiB (Q=  1,T= 1) :     4.438 MB/s [   1083.5 IOPS]
 Random Write 4KiB (Q=  1,T= 1) :     0.004 MB/s [      1.0 IOPS]

  Test : 1024 MiB [F: 0.0% (0.0/28.9 GiB)] (x5)  [Interval=5 sec]
  Date : 2019/09/30 18:53:36
    OS : Windows 10 Professional [10.0 Build 18362] (x64)