Product Detail Front vent provides superior ventilation to maintain constant cooling. I/O panel provides easy access for users. Metallic Color front panel w/transparent acrylic side window. Security lock hole for higher security. Rear 120 mm fan provides the best cooling solution. . The "Cooler Master Elite 310 ATX, MATX Mid Tower Case with Window RC-310-RWN1-GP Black/Red" is best product for you. We recommended Cooler Master Elite 310 ATX, MATX Mid Tower Case with Window RC-310-RWN1-GP Black/Red