Summary: The Gigabyte Poseidon 310 Case is available in a black and silver color, is mostly steel, except for an aluminum front bezel. At the front is a stylish mirrored dual-tone design which is carried over onto the front door. This door is held into place with magnetic force and opens it reveals five 5.25" and two 3.5" external drive bays. It comes with two 120mm fans, tooless design and more. Watch the video to find out more and check out the bloopers at the end.