Lenovo 9240-8i SAS/SATA Raid. Supported hard disk drive interfaces: SAS, Serial ATA, PCI Card form factor: half-height (low-profile). Mean time between failures (MTBF): 2000000 h. Certification: UL, CE, C-tick, GS, cUL, CB, FCC. Width: 18.71 mm, Depth: 167.74 mm, Height: 64.41 mm. Operating temperature range (T-T): 10 - 35 °C, Operating relative humidity range: 10 - 90 %