Construction: Heavy-duty cold-rolled steel

Standard Color: Black

Drive Capacity: Exposed 1 x slim CD and 1 x 3.5" drives Internal 2 x 3.5" drives

Expansion Interface: Optional riser card for 1-slot PCI expansion (half-size)

Cooling Fan: Up to three 4cm ball-bearing fans

Controls: 1 x power on/off; 1 x system reset

Status Indicators: 1 x power on/off; 1 x HDD

For ATX System Board: ATX M/B 12" x 9.6"

Speaker: One 0.4W speaker

Dimensions (W x D x H): 19"(482.6mm) x 19.7"(500mm) x 1.75"(44mm)

Operating Temperature Range: 0°C (32°F) ~ 50°C (122°F)