SuperMicro SAS-743TQ Back Panel SATA & SAS Board SAS743TQ Backplane plane 8-Bay

HP 419618-001 Serial Attached SCSI SAS Backplane Board 8454

Hpe HP 419620-001 Power Supply Backplane 8455

PICMG SBC 1U industrial passive backplane riser board

BAK738 slimline 2slot ISA backplane, solder connections for power (see photos)

ATX6022/06 REV.A1 / 310-41112-00 / 1 ISA / 3 PCI / 2 PICMG Backplane AXIOMTEK

BAK803 Slimline 6slot ISA backplane, Microbus, P8/P9 power connector

DELL EMC POWEREDGE R750 R750XS R7525 8 BAY U.2 NVME BACKPLANE 2.5*8 KIT YD2C2