Test on multiple devices, on average:
Used equipment: Lenovo i7 notebook, Gigabyte Z68 motherboard, Asus Z68 motherboard.
USB 2.0: Writing> 15MB, peak: 18MB
USB 2.0: Reading> 20MB, peak: 26MB
USB 3.0: Writing> 20MB, peak: 28MB
USB 3.0: Reading> 25MB, peak: 36MB
For the money Super!
For all the Note: Right now faster flash memory still costs time money!