Entry-level 6G SAS RAID controller with 4 internal ports for SAS/SATA drives. Retail SKU includes cable. <br /> Target Market: Mainstream <br /> Board Form Factor: Low-Profile MD2 <br /> Data Transfer Rate: 6 Gb/s <br /> Supported Devices: SAS/SATA Devices <br /> Compatible Battery Backup Options: AXXRSBBU7 or AXXRSBBU8 <br /> RAID Level Supported: 0,1,5,6,10,50,60 <br /> # of Ports Internal: 4 <br /> # of Ports External: 0 <br /> # of Devices Supported: 16 <br /> Embedded Memory: 512MB <br /> PCIe Host Interface: PCI Express 2.0 x8 <br /> IO Processor Model: LSI2108 <br /> <br /> Compatible with: Intel® Server Boards S5500WB, S5520HC, S3420GPLC, S5500HCV, S5000XSLSATAR, 3420GPLX,<br /> S5000PSLSATAR, S5500WB12V, S5000PSLROMBR, S3420GPV, S5000PSLSASR, S5520HCT, 1200BTL/BTS; <br /> Intel® Workstation Boards S5520SC, S5000XVNSASR, S5000XVNSATAR