We use the 573HBM20-L-1000 with driver CL1-507-3LS on newer (around May 2020) 51 and 63 models. and the 573HBM20-LS-1000 with driver  HBS57-500(V2.0)on older 51 and 63, and current 35.


More Here: July 1, 2020 Nova Series Changes