InTANK iR2771-S3 has a patented design that allows two 2.5â?� SATA drives to be fitted into one 3.5â?� drive space! Itâ??s equipped with optional RAID 0 to enhance the speed of transfer compare to a regular hard drive or switch to RAID 1 for an efficient and securer data backup. iR2771-S3 internal RAID module supports SATA III 6.0 Gb/s host interface and SATA 22 pin power supply; the connectorâ??s location exactly as the same as a 3.5â?� hard drive. Thus, it is not necessary to install any other brackets but just install the iR2771-S3 inside to existing operating system and then the system will be upgraded as a RAID storage! Model no. iR2771-S3 Interface SATA III 6.0 Gb/s Support Hard Drive 2Ã?2.5â?� SATA III 6.0Gb/s HDD/SSD RAID Level RAID 0,1 The Largest Capacity 2TB Power Supply SATA 15pin (12v/5v) LED Indicators Yes Operating System Windows, Linux Function Control Interface GUI (Windows Only) Certification CE & FCC Packing Content Quick Installation Guide, Accessory Kit Dimension 102(W)Ã?26(H)Ã?147(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