IN-WIN Computer Case BK623.BH300TB M/B Type:MicroATX External Bay:1x 5.25", 1x 3.5"; Internal Bay: 1x 3.5", 1x 2.5" Expansion Slots:4x PCI-E Expansion Slots Front I/O Panel:4x USB 2.0 Ports, HD Audio Power Supply:300WSFX 12V Form Factor