Dell Studio XPS 9100 Desktop PC (support site)
Number 4 in the front view image is where an optional USB 3.0 port panel would be installed.
The front and rear and top of the case have a total of 8 USB 2.0 ports, but no USB 3.0 ports.
The motherboard has a PCI Express x1 slot where you install a USB 3.0 add-on card.
THIS is one PCI Express x1 model that has 4 USB 3.0 ports and may work well for you.
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Number 4 in the front view image is where an optional USB 3.0 port panel would be installed.
The front and rear and top of the case have a total of 8 USB 2.0 ports, but no USB 3.0 ports.
The motherboard has a PCI Express x1 slot where you install a USB 3.0 add-on card.
THIS is one PCI Express x1 model that has 4 USB 3.0 ports and may work well for you.
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