LSI MegaRAID SAS 9265-8i. Supported hard disk drive interfaces: SAS, Serial ATA, Host interface: PCI Express x8, PCI Card form factor: half-height (low-profile). Internal memory: 1024 MB, Internal memory type: DDR3, Memory clock speed: 1333 MHz. Data transfer rate: 6 Gbit/s. Processor family: Dual-Core, Processor clock speed: 800 MHz. Mean time between failures (MTBF): 766841 h