gigabyte' poseidon-310 black mid tower case, aluminum bezel, 10x drive bays, 2x 120mm fans, usb 2.0, 1394, audio, no psu, atx/micro atx. gigabyte poseidon-310 black mid tower case, 5 x 5.25", 5 x 3.5" drive bays, 2 x usb 2.0, audio port, 1x 1394, 1x 120mm silent front fan, 1x 120mm silent rear fan, intricate design details, brushed aluminum front panel, interchangeable side panels : vented steel mesh or transparent acrylic, liquid cooling upgrade ready, washable dust filter, silent and vibration-less, modularized housing, tool-less and cable managed , form factor atx/micro atx.(no psu)