Supermicro - BPN-SAS-801T-A4 - Backplane 1U 4-Bay 3.5" SATA/SAS BPN-SAS-801T-A4 - Supermicro - 1U Hadoop HDD backplane board - Model A4 supports 4x 3.5in SATA/SAS HDDs $100.47 $81.68
Supermicro - BPN-SAS-816T-A2 - Backplane 1U 2x 3.5" SATA SAS BPN-SAS-816T-A2 - Supermicro - 1U Hadoop HDD backplane board - Model A2 supports 2x 3.5in SATA/SAS HDDs $67.04 $54.50
Supermicro - BPN-SAS-2PT - Backplane 2-Port SAS SATA BPN-SAS-2PT - Supermicro - Backplane with 2 SAS/SATA connectors $61.50 $50.00
Supermicro - BPN-SAS-F424-A2 - Backplane 2x 3.5" SAS2 SATA BPN-SAS-F424-A2 - Supermicro - 2x 3.5in SAS2 / SATA backplane $51.45
Supermicro - BPN-SAS-C34A - HDD Backplane 4-Port SAS/SATA BPN-SAS-C34A - Supermicro - 4-Port HDD Backplane Supports SAS/SATA Storage Devices $96.20 $78.21