Amazon offers the Corsair Carbide Air 240 MicroATX and Mini-ITX Computer Case in White, model no. CC-9011069-WW, for $67.99 with free shipping. That's the lowest total price we could find by $13, although most retailers charge around $90. It features three internal 3.5" and 2.5" drive bays, four expansion slots, two 120mm intake fans, one 120mm exhaust fan, USB 3.0, and room for a 240mm liquid-cooling radiator.