Mediasonic ProBox HF2-SU2S2 4-Bay External Hard Drive Enclosure provides a reliable solution for high-capacity storage needs. This Smart Family device supports up to four 3.5-inch SATA hard drives, allowing for easy expansion of your digital library. It features dual interface options with e-SATA and USB 2.0 ports for versatile connectivity to various systems. The front panel includes intuitive LED indicators for HDD activity, fan speed, and interface selection, while the rear features a built-in cooling fan to maintain optimal operating temperatures. Designed with a compact black chassis, it fits seamlessly into any home or office setup. Please note that hard drives and some cords are not included.