Very good USB key Windows 8 Pro with the Windows utility. USB 2.0 the source disc is a 256GB ssd samsung 840, the PC used is a dell laptop USB 3.0 is the source disk to a hard disk platter 160GB Seagate, the PC used is a tower with a ASRock 990FX Extreme3 USB2 and FAT32 / NTFS Write speeds of 24MB found at / s on large files (about 2GB) Write speeds of between 10 and 22MB / s for small files (between 400 KB and 10 MB). Read speeds of between 23 and 30MB / s on small files (between 400 KB and 10 MB) Flow rates in reading 30MB / s on large files (about 2GB) USB3 and FAT32 / NTFS Read speeds of 30MB found between / s and 42MB / s on large files (about 2GB) Read speeds of between 23 and 37MB / s on small files (between 400 KB and 10 MB) Write speeds of 34MB found at / s on large files (about 2GB) Write-rates observed between 17 and 32MB / s for small files (between 400 KB and 10 MB). More files to be copied are little more speed is reduced (about 700 files found between 400 and 800KB) In USB3 and NTFS Write speeds found to 34MB / s on large files (about 24,5Go) Read speeds found to 43Mo / s on large files (about 24,5Go)
After the tests performed and the price paid 19.99 for 32GB, I am satisfied with my purchase