The Vansuny thumb feels good when held. The entire assembly is made of aluminum and feels solid and reliable. We ran 2 tests on an I7 laptop using Windows 10's internal speed test and a USB drive. control test. The test provides stable results and is attached. As a result, the drive is fast, reading at 141 MB/s and writing at 90 MB/s. The Flash benchmark shows about the same for 128 KB data packets. Faster for large packets of data (due to less overhead) At $15 I thought it was a good price considering the quality of the flash drive.
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