HP Smart Array P410/512 FBWC 2-ports Int PCIe x8 SAS Controller. Supported hard disk drive interfaces: SAS, Serial ATA, Host interface: PCI Express x8, PCI Card form factor: half-height (low-profile). Internal memory: 512 MB, Internal memory type: DDR2, Memory clock speed: 800 MHz. Width: 190.5 mm, Depth: 241.3 mm, Height: 57.2 mm