SOSA Products Your SOSA Partner, Today and Tomorrow. Dawn VME Products is committed to leadership in SOSA modules and infrastructure. PSC-8724 SOSA Version 3U Low Power High Efficiency with Integrated Hold-up VPX-0344 6U 25Gbps SOSA Single Slot Backplane VPX-0354 25Gbps SOSA 14.2.16 Single Slot Backplane VPX-0433 3U 25Gbps VITA 67.3 Type D SOSA Single Slot Backplane VPX-0557 25Gbps SOSA 14.6.11 Single Slot Backplane VPX-0650 25Gbps SOSA 14.8.8 Single Slot Backplane VPX-3672 3U VITA 67.2 RF SOSA Compliant Test Extender Board VPX-3673 3U VITA 67.3 RF SOSA Compliant Test Extender Board VPX-9909 6U VITA 67.3 J3 & J6 SOSA Single Slot Backplane MERITEC VPX3® Deployable Backplane Cable Interconnect Hercules to VPX3 Cabling solution allows speeds of 25 Gb/s+ per line.