iT4300-U5 is a 4 bays internal storage solution for 5.25-inch CD-ROM. Using the JBOD function enables you to store the operating system and data file in different hard disk space. The advantage of storage distribution can help to enhance the performance of system operation. RAIDON also delivers iT4300-U5 with only JBOD function to SAS 6G interface, users may collocate a RAID card whenever is necessary to upgrade to a RAID storage for desired applications. Model no. iT4300-U5 Interface MiniSAS Support Hard Drive 2.5" SAS / SATA HDD x 4 RAID Level JBOD The Largest Capacity 2TB Cooling Fan 4 cm Power Supply 15-pin Power Connector LED Indicators Yes Operating System Windows, Linux Certification CE & FCC Packing Content Quick Installation Guide�Accessory Kit�Key�Mini SAS 6G Internal Cable Dimension 146(W)x 42(H) x 153(L) mm Operating temperature 32° to 104° F (0° to 40° C) Storage temperature -4° to 116° F (-20° to 47° C) Relative humidity 5% to 95% noncondensing