Intel Xeon Phi processors do not currently support Virtualization. Intel is working with interested OEMs, customers, and the virtualization developer community in providing them with Virtualization feature at a later date.
x16 port (Port 2 and 3) may negotiate down to x8, x4, x2, or x1. x4 port (Port1) may negotiate down to x2, or x1
This feature may not be available on all computing systems. Please check with the system vendor to determine if your system delivers this feature, or reference the system specifications (motherboard, processor, chipset, power supply, HDD, graphics controller, memory, BIOS, drivers, virtual machine monitor-VMM, platform software, and/or operating system) for feature compatibility. Functionality, performance, and other benefits of this feature may vary depending on system configuration.