Broadcom 9540-8i RAID controller PCI Express x8 4.0 12 Gbit/sStorage temperature (T-T): -45 - 105 C Operating temperature (T-T): 0 - 55 C Depth: 155.7 mm Operating relative humidity (H-H): 5 - 90% RAID levels: 1 Supported storage drive interfaces: Serial ATA III Data transfer rate: 12 Gbit/s Chipset..