LSI PCI-X, 3 Gb/s, SAS, 4-port Host Bus Adapter. Host interface: PCI-X. Data transfer rate: 300 Mbit/s. Operating temperature range (T-T): 0 - 60 °C, Storage temperature range (T-T): -45 - 105 °C, Operating relative humidity range: 5 - 90 %. Connectivity technology: Wired, Form factor: MD-2