PXIe, 3.9 GHz 8-Core PXI Controller – The PXIe-8881 is an Intel Xeon 8-Core embedded controller for PXI Express systems. You use the PXIe-8881 for processor-intensive RF, modular instrumentation, and data acquisition applications. The PXIe‑8881 includes two 10/100/1000BASE‑TX (Gigabit) Ethernet ports, two USB 3.0 ports, four USB 2.0 ports, as well as an integrated hard drive and other peripheral I/O, such as two Thunderbolt 3 ports. Thunderbolt is a trademark of Intel Corporation or its subsidiaries in the U.S. and/or other countries.