LSI MegaRAID SAS 9261-8i. Host interface: PCIe. Data transfer rate: 48000 Mbit/s. Connectivity technology: Wired, Form factor: 6.6" x 2.536" (Low-Profile), Compatible operating systems: Microsoft Win Vista/2008/Server 2003/2000/XP, Linux, Solaris (x86), Netware, FreeBSD, VMware