Adaptec ASC-44300 ROHS kit. Host interface: PCI-X. Power consumption (typical): 4 W. Operating temperature range (T-T): 0 - 55 °C. Minimum system requirements: IA-32, AMD-32, EM64T, AMD-64 servers 3.3V 32/64-bit PCI 2.2, 3.3V 64-bit PCI-X 133