Model 6L01 Motherboard Micro ATX Packing Dimension (DxWxH) 213 X 265 X 458mm Drive configuration 1 X 5.25" Drives 2 X 3.5" Drives Expansion Slots 4 Full Size USB Ports 2 Front USB Steel plate thickness 0.8mm Gross weight (kg) 7 Description *IDeal for P3,P4 & AMD System*Desktop/Tower Convertible*Convenient hidden two USB and sperker microphone port in front panel*SECC in high-quality material*Rear 6cm fan optional,excellent cooling*With folding edge easy installation and maintenance*EMI Protection Model 6L03 Motherboard Micro ATX Packing Dimension (DxWxH) 213 X 265 X 458mm Drive configuration 1 X 5.25" Drives 2 X 3.5" Drives Expansion Slots 4 Full Size USB Ports 2 Front USB Steel plate thickness 0.8mm Gross weight (kg) 7 Description *IDeal for P3,P4 & AMD System*Desktop/Tower Convertible*Convenient hidden two USB and sperker microphone port in front panel*SECC in high-quality material*Rear 6cm fan optional,excellent cooling*With folding edge easy installation and maintenance*EMI Protection Model 5HFC01 Motherboard ATX Micro ATX Packing Dimension (DxWxH) 508�265 �540 mm Drive configuration 4 X 5.25" Drives 4 X 3.5" Drives Expansion Slots 7 Full Size USB Ports 2 Front USB Steel plate thickness 0.6mm Gross weight (kg) 7 Description *IDeal for P3,P4 & AMD System*Convenient hidden two USB and sperker microphone port in front panel*SECC in high-quality material*Spacious Internal Space*Rear 8cm fan optional,excellent cooling*With folding edge easy installation and maintenance*EMI Protection