LSI MegaRAID SAS 9361-8i (2G) PCI-Express 3.0 SATA / SAS High Performance Eight-Port 12Gb/s RAID Controller (Single Pack) Transfer Rate: Up to 12Gb/s Cache Memory: 2GB DDR3 Part: 05-25420-17 Dimensions: 1.75 x 10.50 x 6.00 Package Contents: 9361-8i (2G), QIG, LP bracket Internal Ports: 8i Package: Single