mwave offers the ARK 4U Rack Mount Server Chassis in Black, model no. IPC-4U600, for $79.99. Coupon code "5IPC4U600" cuts it to $74.99. With free shipping, that's the lowest total price we could find by $25. This chassis supports micro ATX motherboards and features two fans, 13 drive bays, two front panel USB 2.0 ports, and more. Deal ends January 31.