Adaptec 2252100-R 8-Port Internal Connectors 128MB Cache PCI Express X8 SATA/SAS RAID Controller Data Transfer Rate: Up to 300MBps per Port System Environment: Intel IA32, EM64T, and AMD64 Form Factor: MD2 Low-profile RAID Levels: RAID 0, 1, 1E, 5, 5EE, 6, 10, 50, 60, JBOD Ports: 2 x SFF-8087 SAS 300 - Serial Attached SCSI Internal