...The F1.A.1.4 shell for Alveo U200 is fully compatible with F1.X.1.4 shell thus making the migration as simple as swapping the shell with one another, with no design changes to user logic. Xilinx device, xcu200-fsgd2104-2-e (Part used in U200) is based on VU9P and has the same base SLR die with the same number of SLRs as VU9P (F1 device).