mwave offers the iStarUSA Compact Rackmount microATX Computer Chassis
, model no D-313ASE-MATX, for $109.99
with free shipping
. That's the lowest total price we could find by $4. It features two USB 2.0 ports, two 5.25" external drive bays, one external 3.5" drive bay, four 3.5" internal drive bays, and more.