The Citrix Desktop The Transformation Center is running a Cisco UCS 5108 Chassis with four B250-M2 Blades, each with 192 GB of memory, each blade supporting over 110 Citrix XenDesktop Windows 7 user profiles. UCS provides a modular, scalable architecture for Citrix XenDesktop, combining Intel Xeon processors, extended memory and integrated Cisco unified fabric. More than 30,000 hosted virtual desktops can be supported in a single unified UCS management domain.