The Alveo U200 accelerator card is populated with the UltraScale+ XCU200-L2FSGD2104E device Vivado part number: XCU200-FSGD2104-2-E.
The Alveo U250 accelerator card is populated with the UltraScale+ XCU250-L2FIGD2104E device Vivado part number: XCU250-FIGD2104-2L-E.