A great choice to expand your PC storage, build a backup device or set up a multimedia center for your home theater, the Mediasonic HFR2-SU3S2 4-bay RAID enclosure offers the performance and function you need at the price you want. Its hardware embedded RAID 0 / 1 / 3 / 5 / 10 support enables fast and reliable RAID calculating. Dual connectors, the latest USB 3.0 and eSATA ports, promise lightning fast data transfer and broad compatibility. The 3-level speed fan enables efficient heat removal even when four drives are under operation simultaneously. Complete with solid constructed aluminum enclosure and intuitive LED status display, the Mediasonic HFR2-SU3S2 RAID enclosure deservedly should be given higher priority in your choice.