Supermicro AOC-LPZCR2 All In One Zero Channel Raid Card 600MHZ RAID Levels: 0, 1, 5, 10 and JBOD; 50 (SAS and SATA modes) Cache Memory: 256MB onboard ECC DDR Memory Bus Type: 64-bit/100MHz PCI-X Adaptec SAS Host Controller (AIC-9410)