The black SC813MT-300C 1U rackmount chassis supports an ATX motherboard up to 12" x 10" and an Intel Pentium 4 processor. For expansion, it features one full-height, half-length PCI expansion slot, four 1" hot-swap SATA drive bays, one SATA backplane and an optional TEAC Slim 24x CD-ROM drive. It also features two front USB ports and one front serial COM port. It has a fixed 300W AC power supply module with PFC.