Case Size: Tiny Tower Chassis Material: Pearl metallic-painted plastic panel SECC ECO Streel External Drive Bay: 5.25" x 1 3.5" x 1 Internal Drive Bay: 3.5" x 1 Front Ports: USB2.0 × 4, IEEE 1394 A (FireWire), HD/AC' 97 Audio Dimensions ( H × W × D ): 13.6" × 5.9" × 13.7" 346mm × 150mm × 347mm M/B: mATX I/O Expansion Slots: 4×Full Height PCI/AGP expansion Slots Power Supply: SFX 12V, 300W Thermal Solution: Intel Mt. Jade Ref. Design, Partition Plate Cooling Tech(PPCT), 8cm Fan for HDD Safety: Meets RoHS, CE and FCC Class B Requirement Security: Padlock loop for padlock