The HT C01 configurations to date number nearly 100, all fully using the computers' capabilities. 4 x PCIe/PCI slots, 10 x USB, 2 RS-232, 2 x Signal Outputs, CD/DVD-ROM, AC or DC power are just what the base product offers.
Then you can add and add to the extent of turning a basic client PC into a virtual server. Support for 2 x HDD or SSD, 2 x Removable disc drives, Raid Configuration (Software RAID), up to 8GB RAM, 4 x DVI out, 4 x Isolated Serial interface, Fiber Optic Card and the list goes on...
There is even a mechanical solution to turn this blackbox product into a 19 inch 4U Rack PC through an optional rugged Rack enclosure.