R-09: Is the Edirol R-09 a USB 2.0 Compatible Device?
The R-09 is a USB 2.0 (Hi-Speed) device. To use the higher transfer speeds of USB 2.0, your computer must support USB 2.0.
Most new computers sold today have USB 2.0 support.
The R-09 will also work on computers with regular USB (USB 1.1/Full Speed/Original USB), though at the slower tranfer rates.