Newegg has the Corsair Carbide Series 400R ATX Mid Tower Gaming Case, Graphite Grey and Black (CC-9011011-WW) for $100 - $10 off with coupon code EMCNDJA27
[Exp 6/25] - $10 rebate
[Exp 6/25] = $80
with free shipping. Features 8 x PCI-E card slots, 3 x 120mm fans and USB 3.0 front panel connectors.