The USBPre 1.5 is effectively an external sound card connected via USB. It relies on the USB port of Windows and Macintosh computers for its interface to the computer.

The requirements below outline the recommended and supported configurations for both Windows and Macintosh computer systems for using the USBPre hardware. Software applications have their own requirements which may differ from the USBPre. Consult your software's documentation.

Windows PC Minimum System Macintosh Minimum System
Operating System: Windows 98 Second Edition Windows 2000 SR-4 Windows XP SR2 Windows Vista 32-bit (the USBPre will not function with 64-bit XP and Vista) Mac OS 9.0.4 - 9.2.2 OS 10.2/3/4/5
Processor: 300 MHz PII or 450 MHz Celeron (Cyrix processor not recommended) G4, G5 Intel Core Solo, Dual, or quad
RAM: 512 MB 512 MB
Bus Speed: 66 MHz
Hard Drive: 5400 rpm
Motherboard Chipset: Intel preferred, Via based motherboards may not work properly USB equipped Power Mac
USB Connection: USB 1.1 or 2.0 compliant