Broadcom SAS 9212-4i4e. Host interface: PCIe. RAID levels: 0, 1, 10, 1E. Power supply type: DC, Power consumption (typical): 13.5 W, Output voltage: 12 V. Data transfer rate: 48000 Mbit/s, Connectivity technology: Wired, Form factor: 6.6" x 2.536" (Low-Profile). PCI Bus: 8-lane, 5 GT/s PCI Express 2.0