3M 3565-1000 is a 50-position D-Sub receptacle connector with outer shroud contacts, right-angle orientation, and IDC termination. It features gold-plated contacts and is rated for 1A current.
The 554955-1 is a shielded 50-position receptacle connector from TE Connectivity featuring IDC termination and gold flash contacts. It supports free hanging (in-line) mounting with two rows.