Amazon.com has a IOGEAR GIC250U 5-Port USB 2.0 PCI Card (USB 2.0) for $20.39 after $10 rebate with Free Shipping.
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- 40 times faster than the original USB; supports high speed data transfer rates of up to 480 Mbps n
- Supports Mac OS 8.6 or greater, requires Mac OS X for USB 2.0 support, compatible with Windows 98, 98SE, 2000, Me, XP as well n
- 1 internal type A USB port n
- 4 external type A USB ports n
- 3 year limited warranty