Raidon 5.25-Inch HDD JBOD Storage (iS1010-2S-S2) User Friendly Tray-less Design Hot-swap Design Support Hard Drive: 1 x 3.5-Inch SATA HDD + 1 x 2.5-Inch SATA HDD/Host Interface: 2 x SATA II Port/Transfer Rate: 300MB/sec Cooling Fan: 4 cm Fan/LED Indicators: Power/Access/Fan Failure/Overheat Power Supply: DC 5V &amp; 12V ( SATA 22P)/Environment Detector: Fan Failure/Overheat Operating System: Windows/Linux/Certifications: CE &amp; FCC Dimensions (mm): 147W x 170L x 41H / Weight (kg): 0.76