The Master Box 5s design & smartly placed tray cut-outs make light work of installing or expanding multiple interior configurations. Remove, slide & rearrange the internal layout to support larger, high-end components, air & DIY water cooling. Tray cut-outs also allow for the easy mounting & rearranging of SSDs & HDDs across the motherboard tray, along the bottom shelf, or on the back side of the tray (for SSDs). The uniquely modular design of the Master Box creates space where there usually isnt. The case supports 1. Three 120mm fans 2. Four fans with use of optional front bracket Exploring the Interior The Master Box 5s design & smartly placed tray cut-outs make light work of installing or expanding multiple interior configurations. Remove, slide & rearrange the internal layout to support larger, high-end components, air & DIY water cooling. Expanding the Possibilities Motherboard tray cut-outs creatively rearrange space for any size motherboard Expanding the Possibilities for Storage Tray cut-outs also allow for the easy mounting & rearranging of SSDs & HDDs across the motherboard tray, along the bottom shelf, or on the back side of the tray (for SSDs). Expanding the Possibilities for grpahics cards Titans have a place inside too. Or your next VR-ready Ge Force 1080. Internal Configuration YOUR AIR COOLING SET-UPThe uniquely modular design of the Master Box creates space where there usually isnt. The case supports 1. Three 120mm fans 2. Four fans with use of optional front bracket Clean Cabling for clean Access All system setups have hidden space for cable management Easy Fun Challenge the confines of the Master Box 5 by creating intuitive & flexible layouts for components & cables, large or small. Then comes the easy part: building.