Broadcom 9540-8i RAID controller PCI Express x8 4.0 12 Gbit/s

Operating temperature (T-T): 0 - 55 °C Storage relative humidity (H-H): 5 - 95% Storage temperature (T-T): -45 - 105 °C Operating relative humidity (H-H): 5 - 90% Height: 68.9 mm Depth: 155.7 mm Data transfer rate: 12 Gbit/s Chipset: SAS3808 Number of devices supported: 32 S.M.A.R.T. support: Yes Mean time between failures (MTBF): 3000000 h RAID levels: 10, 1, 0 Internal SAS ports: 8 Supported storage drive interfaces: PCI Express 4.0, SAS, Serial ATA III Host interface: PCI Express x8 PCI Express slots version: 4.0