The DU-520 is a 5-port Universal Serial Bus (USB) 2.0 PCI adapter for upgrading desktop computers to the new USB standard. This card is designed to work with mice, keyboards, external CD-R/RW's, external hard drives, webcams, and other USB enabled devices. It is 40 times faster than previous USB adapters and 20% faster than Firewire (IEEE-1394)....

The D-Link DUB-H4 2.0 is a Hi-Speed Universal Serial Bus 2.0 4-port hub with backward compatibility to USB 1.0 and 1.1. It provides an out of the box industry standard that allows connection of up to four USB peripherals or devices to your USB ready PC or Mac. The D-Link DUB-H4 is targeted at PC and Mac users that are expanding the number of USB ports on their system....

Plus Get a $10.00 Rebate through Thursday, December 31, 2009

The D-Link QuickMedia DUB-H7 2.0 is a Hi-Speed USB 2.0 7-port hub that is backward compatible with USB 1.0 and 1.1. The DUB-H7 allows connection of up to seven additional USB peripherals or devices to your USB ready PC or Mac. - Designed to provide quick and easy access, the D-Link DUB-H7 provides seven type A USB downstream ports for connecting USB peripherals, devices, or other USB hubs....