Promise Technology FastTrak TX4310, 5-Pack. Host interface: PCI, Output interface: SATA. Data transfer rate: 2231 Mbit/s. Width: 119 mm, Height: 51 mm. Certification: UL, cUL, CE, FCC Class B, BSMI, MIC, C-Tick, VCCI, RoHS. Operating temperature range (T-T): 0 - 50 °C, Operating relative humidity range: 5 - 95 %