Internal Connectors: 2 x SFF-8087 mini-SAS Transfer Rate: Up to 6Gb/s RAID: RAID 1/5/6/10/50/60 Cache Memory: 512MB DDRII SDRAM Operating Systems Supported: Extensive support includes Microsoft Windows 7 Vista/2008/Server 2003/2000/XP, Linux, Solaris (x86), Netware, Free-BSD, VMware and more. Visit the LSI download Center for the most complete list of supported operating systems: lsi.com/channel/support Features: I/O Processor/SAS Controller : LSISAS2108 RAID on Chip (ROC) Low-profile, 8 internal port 6Gb/s SATA+SAS RAID card with x8 PCIe 2.0 host and powerful LSI RAID-on-Chip technology Benefit from reduced hardware maintenance, lower total cost of ownership, and greener cache protection with CacheVault technology. Flexibility to support 3Gb/s or 6Gb/s SATA, SAS or Solid State Drives