Areca ARC-1231ML. Host interface: PCIe, Output interface: SATA II. Depth: 98.4 mm, Height: 237.5 mm. Certification: RoHS. Operating temperature range (T-T): 5 - 50 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 15 - 80 %. Power requirements: 4.95