Quick Specs Models PCIe Host Bus Adapter Drive Types 12 Gb/s SAS6 Gb/s SAS/SATA3Gb/s SAS/SATA PCI Support PCI-e 4.0 SAS Connectors 16 Port 4x4 External Cache Memory N/A Write Back Cache N/A Boot Support No Max Drive Support 240 RAID Support N/A Part Numbers: 6CDMK HBA355 Series 11 Options > HBA355i Adapter View PERC Enclosures per port 0 Cache: N/A RAID Level: N/A Non-RAID: Yes PCIe: Gen 4 Supported Drives: 12 Gb/s SAS 6 Gb/s SAS/SATA 3 Gbps SAS/SATA Max SAS/SATA disks: 16 drives per controller w/ SAS Expander 50: Limited by platform offerings Max NVMe drives: Not Supported Max physical disks: 50 with SAS Expander*Platform limit HBA355e Adapter View PERC Enclosures per port 2 (Single Path) Ports: 16 Ports 4x4 RAID Level: N/A Non-RAID: Yes PCIe: Gen 4 Supported Drives: 12 Gb/s SAS 6 Gb/s SAS/SATA 3 Gbps SAS/SATA Max SAS/SATA disks: 240 Max NVMe drives: Not Supported Max physical disks: 240 HBA355 Front View PERC Enclosures per port 0 Cache: N/A RAID Level: N/A Non-RAID: Yes PCIe: Gen 4 Supported Drives: 12 Gb/s SAS 6 Gb/s SAS/SATA 3 Gb/s SAS/SATA Max SAS/SATA disks: 16 drives per controller w/ SAS Expander 50: Limited by platform offerings Max NVMe drives: Not Supported Max physical disks: 50 *Platform limit