Key Benefits • Easy installation • Supports all industry-standard USB 1.1 and 2.0 peripherals • Data transfer rates up to 480 Mb/s, depending on OS used and device connected • 4 external, 1 internal "A"-type, female USB connectors Get USB 2.0 for Unreal Speed Boost on Your Mac or PC! USB connections are everywhere. Chances are if you purchase a device that plugs into a computer, it uses a USB connector. Not all USB peripherals perform the same—many of the latest operate at high-speed and push data up to 40 times faster than standard USB. But you'll need a new connection to get maximum performance—the USB 1.1 connections on your computer won't do. Add the low cost Sonnet Allegro™ USB 2.0 PCI adapter card to your computer and bring it up to speed with the latest USB technology. Mac Compatibility • Power Mac® G3 (Blue & White) • Power Mac G4 (with PCI slots) • Power Mac G5 (with PCI or PCI-X slots) • Mac OS® X Version 10.5.2+, 10.4(1), or 10.3(1) • Mac OS 9 (at USB 1.1 speed) Windows Compatibility • PC (with PCI or PCI-X slots) • Windows® Vista • Windows XP SP2 Technical Notes (1) Deep Sleep not supported under Mac OS X Version 10.4 or 10.3.