"a Xilinx Kintex-7 FPGA-based module that boasts a SuperSpeed USB 3.0 interface, providing transfer rates exceeding 340 MBit/s"
It is not 340 Mbits, it is 340 MBytes. Refer the following link for more info
NASA's Orion Flight Software Production Systems Manager Darrel G. Raines joins Planet Analog Editor Steve Taranovich and Embedded.com Editor Max Maxfield to talk about embedded flight software used on the Mars on EE Times Radio. Live radio show and live chat. Get your questions ready.