Dimension 440 x 200 x 430 (D*W*H) mm Drive Space: 5.25' x 4 - External / 3.5' x 2 – External / 3.5' x 4 - Internal Cooling System: Front : 8cm x2 / Rear : 8cm x2 (optional) Side : 8cm x1 (optional) M/B Form Factor: AT / ATX / Micro ATX / Intel P4 Expansion Slot: 7 x PCI Standard size cards Power Supply: PS/2 Type Bezel Function:Power switch & Reset switch Material: SECC 0.7mm or 0.8mm thickness Weight: SECC-7.5KGS Measurement: 1.95 Cuft