I don't have details on FTLX8571D3BCL vs. FTLX8571D3BCL-ME testing, but I suspect that "-ME" stands for Mellanox. I don't think you will have problems with Finisar in general. BTW, firmware release notes is a good source for supported/tested cables and modules, see for example:
http://www.mellanox.com/pdf/firmware/ConnectX3Pro-FW-2_31_5050-release_notes.pdf
Thanks
Andre