USB 2.0 4-Port Add-In Card The
Model IC-250U add-in card can be used to add USB capability to older computers,
or to add USB 2.0 capability to newer computers. $41.95
USB 2.0 4-Port Add-In Card The
Model UC-160 add-in card with NEC chip set can be used to add USB capability
to older computers, or to add USB 2.0 capability to newer computers. $29.95