HP 487204-B21 PCI-Express x8 SATA / SAS Smart Array P812/1G FBWC RAID Controller Card External Connectors: 4 x SFF-8088 mini-SAS Internal Connectors: 2 x SFF-8087 mini-SAS Transfer Rate: Up to 6Gb/s RAID: RAID 0/1/1+0/5/6/50/60 Cache Memory: 1 GB DDR2 SDRAM Parts: 1 year limited