When the X550 was released, Windows 7 was the dominant operating system for business and education. vSpace Pro 6.x and 7.x were specifically optimized for Windows 7’s session management and driver model. Many organizations standardized on Windows 7 with X550 because:
The X550 system uses a PCI card installed in a host PC, which then connects to XD2 access devices via standard CAT 5e or CAT 6 cabling. ncomputing x550 software for windows 7