Made of 1.6 mm steel, 3U Model RMSC MX is powered by 400 W EPS power supply to handle 5 hard drives, 7 expansion slots, and 5 cooling fans. With 15 in. of depth behind panel, it benefits applications with limited vehicle space. Chassis accepts variety of ATX motherboards supporting high-powered Core 2 Quad, Core 2 Duo, and Pentium 4 CPUs. It comes with CD-RW/DVD-ROM drive, plus 4 open drive bays that support SATA or IDE drives, depending on motherboard selected.