Newegg offers the Fractal Design Arc Midi R2 ATX Mid-Tower Steel Computer Case with Window Side Panel in Black, model no. FD-CA-ARC-R2-BL-W, for $69.99 with free shipping. That's the lowest total price we could find by $23. It features two external 5.25" drive bays, eight internal 3.5" drive bays, two internal 2.5" drive bays, eight expansion slots, 140mm fans, and support for micro ATX / ATX / mini-ITX motherboards.