Promise Technology SATA300 TX4302, 5-Pack. Host interface: PCI, Output interface: S-ATA. Data transfer rate: 2517 Mbit/s. Width: 119 mm, Height: 57 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 %