Details : Antec Skeleton --ATX Open Air Case, NO PSU, Front ports: 2 x USB 2.0, 1 x IEEE1394, 1 x eSATA, 1 x Audio In & Out Antec 'Skeleton' ATX Tower Case, 4 Drive Bays, 2 x 5.25", 2 x 3.5", 4 x 3.5" side panel mounted drive trays, Layered tray design for greater system integration flexibility, 7 Expansion Slots including room for 11" video cards, 1x top 250mm TriCool 3-speed multi color customizable LED Fan, 1x front 92mm HD cooling fan, Front ports: 2 x USB 2.0, 1 x FireWire (IEEE1394), 1 x eSATA, Audio (AC97’ and HDA compatible) In and Out, Rack mount quality side rails for greater durability, No Power Supply included: To optimize performance of your Skeleton, your choice of power supply is crucial. Antec strongly recommends choosing from Signature or TruePower series.